robec ✭✭✭✭✭

BTW, no US coin had a mint mark in 1965-67. (View Post)

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Those are fairly well known to Lincoln collectors. There are 4 or 5 that were part of an original group with 3 having monster toning. The first time I saw them for sale at Heritage I think they were … (View Post)

One of them was started by Mark Goodman with a proof Jefferson nickel. There was also a proof Barber Quarter contest in 2010. That could have been Mark as well. (View Post)

I’m as skeptical as the next guy, but a silver quarter weighing 6.33 grams is well within tolerance according to the U.S. Coin Weight, Composition & Tolerances guide, 6.059 grams to 6.447 grams. (View Post)