The 2017-S United States Mint Silver Proof Set includes 10 coins. These coins are composed of 90% silver and struck as proof coins in San Francisco. The set comes with Official Government Packaging (OGP) and a Certificate of Authenticity (COA) from the U.S. Mint, ensuring its authenticity and quality. Made in the United States, this set is a valuable addition to any coin collection for those interested in American numismatics.  This item is pre-owned and may have minor scratches, scrapes, blemishes, dents, dings, and or tarnishes. Cancelations are not accepted. Please bid responsibly. Please do not try low balling me on my item, as I will not respond. item is sold as is where is, no warranty experience or implied. Thank you for considering my item. Do to eBays rules. Any returns will be charged a 15% restocking fee.