A dollar coin may be a dollar coin, but a silver dollar, that is a whole different story. It may be worth going through your jar of change.

This 1984 $1 coin was struck on 10 cent blank error, making it a rare and valuable find. · Source: Roxbury's Auction ...

Coin collecting, or numismatics (a term which also encompasses the study of coins), has been a practice for at least 2,000 ...