Up for sale is a nice mixed lot of three (3) United States Silver Proof Quarters. If you're looking for high-purity silver with the classic San Francisco "S" mint mark, this is a solid little set to pick up.

These coins feature the beautiful Deep Cameo finish that the San Francisco Mint is famous for—frosted portraits and designs that really pop against the liquid-mirror backgrounds.

What's in the lot:

• 2001-S Kentucky: Features the "My Old Kentucky Home" design from the 50 State Quarters series.
• 2008-S New Mexico: Features the "Land of Enchantment" design. Note: This specific coin has some yellow/brown toning/residue on the bottom edge of the reverse.
• 2011-S Glacier: From the America the Beautiful series, depicting the majestic mountains of Montana.

Quick Specs:

• Mint: San Francisco ("S" mark)
• Metal: 90% Silver
• Condition: Proof (Uncertified)
• Total Silver Weight: Approx 0.54 troy oz (0.18 oz per quarter)

Historical Note: The San Francisco Mint has been the primary producer of U.S. proof coinage since 1968. These silver proof versions are struck on special 90% silver blanks, making them much scarcer and more valuable than the standard copper-nickel quarters you find in your change.