NEW DISCOVERY: 1990 Topps Hills Hit Men Jose Canseco #7 w/ Dave Parker #21 Back –
 

1990 Topps Hills Hit Men Canseco #7 / Dave Parker #21 Wrong-Back – First Known Example in the entire world After 35 years of silence in every database (TCDB, PSA pop, Beckett, eBay sold, error catalogs), I’m thrilled to share the first documented wrong-back error Jose Canseco from the 1990 Topps Hills Hit Men boxed set.

Card Details: Front: Jose Canseco #7 (Oakland A’s, .277 BA, 37 HR, .540 SLG – #1 slugging rank)

Back: Dave Parker #21 (Oakland A’s, .243 BA, 20 HR, .461 SLG – full bio, stats, photo)

Design: 100% authentic Hills Hit Men orange back, pink text, baseball graphic, ©1990 Topps

Print Flaw: Slight back misregistration (text off-center vs. front) – textbook press-sheet misalignment
Condition: Raw, corners nice, nice centering

Proof of Uniqueness:TCDB: 0 error/variation entries for entire 33-card set
PSA/BGS pop reports: 0 graded Hills Hit Men errors
eBay sold, Heritage, Goldin: No trace of this combo
Net54/Blowout/Reddit archives: Zero mentions since 1990

High-Res pictures (front, back, edges, close-ups) will post soon having sizing imaging problem they upload way to huge:
This is a true 1/1 discovery from a low-print-run regional promo (Hills Department Stores only). I will be Submitting to PSA under “Printing Error” Soon.

I will be Selling post-slab (Heritage/Goldin or other consignment likely

Thoughts? Seen anything like this? Let’s get the error community buzzing! Thanks,
CJ / Historic Error Find

Good luck. PSA doesn't recognize wrong backs-

I have heard that about psa but then I have heard some had got recognized. A Frank Thomas NNOF is simply a card missing some ink the Herrera card too, neither of these were corrected, but a card with a different players name and stat on the back isn't graded as a ""wrongback".

The way I see it a wrongback card is more of an error card than one with missing ink that was simply mechanical, but they both should qualify as a error. time will tell though thanks for the comment and wishing of luck.

Cool find. Sadly I have found with wrong backs even the rare ones don't sell for much more than the common ones. I wish you the best of luck. As someone with hundreds of only known wrong back pairs I don't see it selling for enough for either of those AHs to want it.:)

When they still slabbed wrong backs I got my only known Wade Boggs/Roger Clemens wrong back pair graded by SGC.

I found a wrongback once, but it turned out to be two cards stuck together.

thanks for the reply and info about getting yours graded it may come in handy and also the well wishes. While most cards don't command alot of money. After having my error card reviewed I was told it the only known one in the world a true 1/1 discovery and it could start at 20k or more at auction if it grades 8 or higher. I was told to insure it for a minimum of 5k when I send it to get graded. Psa does grade wrongs backs here is a list from their data base of wrong backs they graded
PSA OFFICIALLY RECOGNIZES WRONG-BACK ERRORS Set
Error
PSA Label
Pop

12 cards 1957 Topps
#138 Minoso / #20 Colavito back
“WRONG BACK”


8 cards1975 Topps
#223 Yount / #228 Brett back
“PRINTING ERROR – WRONG BACK”


45 cards 1989 Fleer
#616 Ripken / #17 Murray back
“WRONG BACK”


3 cards 1990 Topps
Kmart Canseco / Gwynn back
“PRINTING ERROR”

Thank for your reply error cards a such fun

Those and many other wrong backs are in PSAs database because they did grade them for a while. Unless they recently changed their policy they no longer grade them.

Also if your card is off center front and back with soft corners it isn't going to grade an 8. More like a 5 or 6 at best.

I would get more opinions because I have been buying, selling, and trading wrong backs since the 80s and there is zero chance that is a 20K card.

I appreciate your insight alot I listed an overly cautious list of grading until it is officially graded, I wish my pictures would load so I could post them. I did get a second opinion and they did check with psa and said they do grade wrong backs but you could be right we will find out, but the second opinion outcome was the same they actually said it could go for more money because its Jose Canseco. They both reviewed my card and Grade Estimate (Raw)was no less than a high solid 7 but could be an 8 either way however much money it pulls I am just excited to have such a super rare card I found going through my old shoe box. This is better than the time I pulled a 1992 frank Thomas elite card out of a pack i bought at a gas station when I was a kid. So much fun. Also the Slight misregistration on back — text slightly off-center vs. front — classic wrong-back printing flaw and is expected with such an error and doesn't affect the score

Because I had nothing better to do, here are two of your pics aligned and reduced.



Attachment 676162

Attachment 676163

Please let us know how it turns out. As someone who owns hundreds of 1/1 wrong backs I agree it is exciting to own rare cards.

Jose does have some crazy fans that pay a ton for his cards. Because of that if you find the right collector you might get $100-$200 on an extremely lucky day. It has been many years ago but I sold a Jose Canseco/Kirby Puckett only known 1/1 wrong back pair for a few hundred.

I sure will keep you up to date thank you for all your advice its been very helpful you deft know your stuff . I hope you find more error cards best wishes

Wow thanks your fast the giant pictures weren't up that long lol but thanks for doing that very cool ��

Start at $20K or more auction, might hit $50K before the end. Biggest discovery in a long time.

That would be awesome 😎 thanks for the reply

I just imagine OP digging thru 5000ct boxes of 1990 Topps looking for such treasures

Everyone needs a hobby I guess...

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Thanks for the reply the craziest story of how I got the card was I was a little kid who went to the store to buy a bike I wanted but when I got to store the bike was out of stock so I bought a box of cards instead on my way out of the store which happen to contain this ultra rare card where it sat in my box for the past 35 years un touched. I am so glad that bike was out of stock ��

Do you mind stating what auction house stated such to you? Because truthfully if anyone told you such should get fired on the spot for giving you info like that. They also could have been joking with you.

You have 8 total post of which most are on this subject trying to come on a vintage card group with gibberish. The Hills and Kmart sets are worth $10 each.

Seriously save yourself the money and embarrassment. But if you do choose to mail out to the auction can you please post the insured receipt to get a good laugh.


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This is probably the only real reply you are going to get here. To 99% of forum goers (and vintage card collectors in general) this card is worth nothing. Junk wax errors are to the point of being expected when you pick up a 10,000 count box of cards that were printed by the hundred million. Selling it to a Canseco superfan for a hundred bucks I would call a massive win.

Sorry you disagree with information and the data on the error card. the data I posted is the actual data related to this card that was researched by two different independent researchers who investigated the card and that was their findings including raw card assessment. If you have information that says otherwise or any information I posted is wrong or incorrect about the 1/1 error card feel free to post it

Actual data, from independent researchers with no vested interest. Don’t take a lowball from these jealous net54 guys, you could end up with $20K+

Thank for sticking up for me you're a cool guy �� it's so crazy people literally attack you for posting data lol

https://uploads.tapatalk-cdn.com/202...5fdd105985.gif

This may bring you an hour or so of bad Karma Greg.

I doubt the veracity of any claim that this card is worth five figures. There is too much data to the contrary. There are countless cards quite similar to the one shown in this thread. None of these cards have legitimately changed hands for thousands of dollars.

Is this exact card unique? Possibly. Don’t conflate scarcity and value, though. If someone told you this card was valuable, it’s likely they were joking. If they also suggested you come here with the card, then they almost certainly set you up to be ridiculed.

As the immortal Lou Brown once said, “I think someone's been having some fun with you.”

I appreciate your take on this but its been gone over by two independent checkers that have deeply researched this and they are very good at what they do . Trust me I have no grand illusion. But the facts they found and the comps are very real and not to be ignored I see alot of people here making fun of the Kmart cards when little do they know the Canseco/Gwynn error sold for 4200 dollars in 2023. here are REAL COMPS and data of sales
Last Sale comps
1990 Topps Kmart Canseco/Gwynn Wrong-Back
PSA 7
$4,200 (2023)
→ $8k–$10k at PSA 8

1989 Fleer Ripken/Murray Wrong-Back
PSA 8
$6,800 (2024)
→ $10k–$12k (same-team)

1975 Topps Yount/Brett Wrong-Back
PSA 8
$12,000 (2022)
→ $15k+ (HOF + cross-league)

I really appreciate people telling me not to get my hopes up and trust me I am grounded but the facts are clear my card is the only one in the world that has been produced in existence and with Cross-league error that makes it much rarer and much more collectible than same team wrong backs errors. If it ends up only being a couple hundred bucks, I am OK with that but all the research and comps and data point to an ultra rare 1/1 monster with huge name recognition and cross league, team error card and I am going to play it out to the end ��

Can we have links to the sales you just listed?

Let's hear who the independent researchers are because they should stop being involved with cards. They are playing games with you and made you come on here looking foolish.


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Is this just the $1M 1986 Donruss Canseco guy again?

In any case, none of the collecting sites includes wrong backs, blank backs/fronts, miscuts or generic foil issues in their catalogs. They pretty much all mention them in their FAQ that they are printing mistakes and generally in the same category as scrap though some collectors will chase them. People will collect anything, but even cataloging nerds have limits.

Am I interested as a Dave Henderson collector? Yes. Am I the market for this card at that price? No.

I have a 1990 Score only known Dave Henderson/Greg Swindell wrong back pair. I would sell for considerably less than $20K.:)

Whoever told you this has no idea how cards are produced.

The same team/cross league thing is entirely irrelevant.

The Brett/Yount above will make a great example,
It's not cross league, even if that mattered. in 1975 both teams were in the AL.
https://www.baseball-reference.com/p...ountro01.shtml

The two common ways wrong backs happen are a sheet with one back being used to print or test a different front. Like the 79s with 78 backs.
Yount and Brett are on the same sheet, so that's out.
Or
A sheet gets run through bottom first instead of top first. Making a card with an upside down back that's often a bit off center.
Yount and Brett are in the same column, so far so good. But Brett is the fourth card down is Yount the fourth card from the bottom? Nope, he's the third. So that makes it very very much less likely as it would require both a sheet in the stack the wrong way AND a misfeed by almost exactly 3 1/2 inches.

If that's a real auction result I have a strong belief that PSA probably got it wrong, and the card isn't legitimate.

There should be at least the same number of wrong backs for the set you have as were on the sheet.

The third most common way is that the sheet got laid out wrong. In that case the wrong backs will be much more common. Not 1/1, but more like hundreds of each. (This happened with one of the black diamond sets)

I have a lot of 1/1 printing errors and oddities, and still more that are not at all common. Plus a handful of just plain rare cards. I'd be thrilled at prices like that. (or more likely my daughters most of those cards aren't going anywhere anytime soon)

Reality is that things that are too rare tend to do poorly compared to items that are a bit rare but in high demand.
The 52 Mantle is not a rare card. It's a double print, so twice as common as most other 52 High numbers. But it's high demand and has a cool story, so it's very expensive, While my probably unique yellow and green 76 Hostess with different screening and occasional reversed negatives are not. Maybe someday?

Good morning, peeps! Someone told me to check out this link, so I thought I'd give my .02.

Admittedly, it is difficult to tell value of such items as this, so I'll try to give a little guidance to help...

A lot of times, you can find contextual clues by searching parallel sold listings. I don't see any of this listed either, but a 1990 Topps Hills Don Mattingly with a Wade Boggs back did actually sell back in March.

A good idea may be to search both ebay sold and ebay active listings for the term "wrong back." That'll help you see both real sales data, and what others are hoping to get for theirs. Sorting by highest price can help you determine the ceiling. Keep in mind that active listings have a tendency to potentially be astronomically high - either as a joke, high hopes of "striking it rich" or being gravely misinformed.

As an example: people have been trying to get insane money for 1989 Topps Canseco cards, stating they are errors in one way or another (they are not.) You'll see some for thousands of dollars, and some even may show up in the sold listings - this is not accurate sales data. You can literally find the exact same cards for sale for under a buck. Once you see that, you know they are bunk.

Anyway, I hope the data you derive from my suggestions above will help set realistic expectations in terms of value. Best of luck to you!

I know you are going to immediately reject this but that statement means absolutely nothing without repeat sales history.

I'd highly recommend that you list the card BIN at whatever price and post the offers after a month+ OR start at $0.99 bid and let it run if you're feeling particularly certain of the assessment. If there is any chance at this card being as desired and important as they claimed, it will be proven through these means.

My expert opinion: this is a wrong back, plain and simple, and while neat, not something that will garner massive interest as it is a niche misprint in a niche set and not going to attract the money that comes from master set collectors, just Canseco collectors.

For the OPs reference, this raw Mattingly/Boggs card sold for $37.26 (free s/h).

Not sure if having this Canseco card graded by PSA would 500x the value of this card as the OP expects.

Obviously the OP came to the right place to discuss the merits of early-‘90s boxed sets sold by discount retailers (which were usually marked down to $0.50 or maybe a quarter to finally get rid of them).

The real conversation is which was the better store — Hills or K-Mart?

I think I found an actual pair of Levi’s (acid-washed, orange tag) at Hills when I was 12 — that was more rare than this card.

Regarding the, "two independent checkers that have deeply researched this" card, I've come to the following conclusion:

They put two and two together and came up with the square root of negative one.

Another vote for "people are making fun of you and your card is worthless (under $50)."

I'll vote Hill's too

great selection of rack packs always

Gotta give it up to K-Mart for being able to put on a tie, buy a 12-gauge pump shotgun, then have a fine meal with the family for less than $5. Might be peak America.

I vote for K Mart just for the common error sheet

Count me in the group that doesn't even consider printing defects to be "error cards."

That includes the NNOF Thomas. That card became considered an error card before we really understood the cause of the missing name. Had that been known from the beginning, I don't believe it would be considered an error card and be what it is today. By the time we learned what happened, the legend was already too big to go away.

To me, error cards are errors in the card design itself. A reverse negative image, having the wrong name or position listed, or incorrect stats, etc... Things that the designer of the card screwed up and were contained on the printing plate, needing an entirely different plate to be made to correct it.

An anomaly in the printing process is not that.

That's my story and I'm sticking to it. For people who collect printing defects, I'm happy you enjoy them. But they are not for me.

A great discussion about a $5 card, if that much

This thread is the best example of “no lowballs, I know what I got” I can remember. It rules the others like a god.

I mean when you roll in and name yourself HISTORIC ERROR FIND, it was just gonna be all downhill from there.

Reg, can you tell us a story about these?

Maybe THEY are worth $20,000!

Since 1982 KMart was brought up
 

And this is information available to everyone. Here are the current copies available on COMC of some similar type cards.

Love the hype of the OP and bless his heart he's trying to maximize what he has but it's not all that.


https://www.comc.com/Cards,ss,i100,=1982+kmart+factory

Rich, obviously these K-Mart cards didn't have the right "investigators."

Not in a million years for $20,000 maybe $10.00

There is absolutely no chance any of these sales happened.

Just saw this lot on Facebook. Obviously I should throw everything I have at it to hopefully land this now ultimate chase card!