Ive been buying whatever junk silver I can find latley, and I've come across allot of Centennial coins for sale. Now I get that the halfs and dollars were still 80% silver in '67 but theres a bit of an unknown when it comes to the '67 quarters and dimes.
When buying or selling '67 $.25 and $.10 how would you value them, as 80% or 50%.