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HankronScott, the guide will have a wide variety of levels, including common tips for looking at specific cards-- such as how we look at the border of Cracker Jacks or the thickness of T206s.
Most of my personal efforts are on in-general examination techniques (how to identify an albumen print, or early lithography), and less on specific card sets. I'm a print/photograph historian and not a card collector, so my approach is always from the former viewpoint. This is why I welcome input and insight on specific cards. Most anything useful that anyone sends me will be included, including links. Due credit will be given for those who contribute.