they walk up to the table of daniel buck soules, owner of daniel buck auctions. >> they had a pillowcasei had no idea what they had. and when they pulled out these jeans, they were in such great shape that i thought, "why are they showing me new jeans?" >> so, you were suspicious at first? >> oh, absolutely. but it wasn't until i really started looking at them that i went, "okay, these are a little bit better than i think they are." >> just how much better? daniel's detective work begins with the obvious -- these belong in the big-and-tall department -- waist, 44, length, 37. >> he had to be 6'6", 6'8". he was a mountain of a man. >> next, he examines the leather tag. >> does this identify the jean in some way? >> it does. they started adding this around 1886, but they still use that. even to today, it's still there. >> that sets the base. the jeans are no older than 1886, but they could have been made any time after that. so daniel turns his attention to those famous pocket rivets. >> one of the problems they actually had was the placement of the rivets. if you were a cowboy and on a sa