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Posted By: Dave

In addition to taking a good f/b picture of each card, I also measured the size of each card. I used a good set of calipers with resolution to 0.001 inch. I'm not sure what I'll ever do with these numbers, but did notice an interesting trend.

Almost all my T206's are Piedmont, and they average almost 0.020 wider than 1 7/16, at 1.456. They average almost exactly right on height, at 2.631, which is 0.006 tall. There are cards narrower and shorter than nominal, but only 4% of the cards are narrower than 1.433, which is nominal - 0.005.

Has anyone looked at the size of cards? Is this useful data for identifying trimmed cards?