This limited edition 2012 US Mint Silver Proof set is a must-have for any coin collector. The set includes denominations of. The coins are composed of 0.9 fineness silver and were minted in San Francisco. The set is uncirculated and ungraded, making it an excellent addition to any collection. The coins come with U. Mint certification and are part of a proof strike type. This is a rare and valuable set that will surely impress any coin enthusiast.