Cards...
20 years ago the 1933 Sanella Babe Ruth card used to sell for $1500+
Now your lucky to get 1/15th of that.....
Another example of a very common card some think is rare is the 1921 Schapira Candy Babe Ruth "Portrait" card. in last 12 years on eBay Ive seen maybe 4-5 groups of 20+ cards sold on eBay. The story behind it is the portrait card was on every box and you need to save 250 of the "portrait" cards to send into the company to get the Ruth signed ball.... well many kids came up short of the 250 needed and hoards of 20-50 cards are not uncommon when discovered. Ive owned maybe 15-20 of them over the years but havent bought one in 5 years now because the price is too high compared to what I paid for then in eBays early days ($15-$50 ea.)
PS The Dormand PC of Hodges.... There was a single lot of 500+ Hodges that was auction a few years back in a major auction... I always knew the day that lot showed that the value of that card would dive bigtime