1959 25C MS66 Certification #10633790, PCGS #5866
The 1959 is fairly common in Gem condition. There are earlier issues, particularly some of the S-Mint, but the 1959 is not rare at all. There are both frosty white and toned survivors.
90% Silver, 10% Copper
The United States of America
Auctions - PCGS Graded
Auctions - NGC Graded