The last decade of the 20th century produced coins that modern numismatic enthusiasts spend three-, four- and even ...
Most coins are worth their face value, but others are different story. Coin collectors seek rare currencies often valued at a ...
One 1990 example from the more common, but still rare ... $1 silver proof has since become an icon, and according to PCGS — which ranks it at No. 13 on its list of the top 100 modern coins ...