Quote:
Originally Posted by drcy
The gloss or lack there of was added during manufacture of the cardstock or paper itself, not during or after printing. The printers picked the stock based on the type of printing they were using and the desired quality of the final product. You would want a newspaper's premium on 'fancier' stock and probably with better quality graphics than the daily newspaper. And notice that the picture sections of many many books are on whiter, smoother paper than the rest of the book.
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All of the post is generally correct, with exceptions that mostly relate to the quoted section.
Some inks are shinier than others, and will appear slightly glossy depending on how heavily they're applied. A heavy application on a glossy card stock will come out very glossy.
Certain sets had a clear gloss layer applied. T210, T212, probably others. Many of the old glosses will yellow over time. Here's a T210 that only got about half the glosscoat. Not all T210s got the gloss, once you know to look for the yellowish vs very white they're easy to spot.
Most Topps sets in the 70's and 80's had a glosscoat, but done more subtly so it appears normal. It's a way of making the entire front look evenly glossy. (And for the crazy variety collectors, some of it yellows, some doesn't) Starting with the super glossy sets like some inserts and the tiffany sets they used a very heavy coating.
Steve B