2017 S Parks Quarter 10 Pack ATB 90% Silver Proof Sets No Box or COA 50 Coins. 2017 S Parks Quarter 10 Pack. 50 Coins In Mint Lens. No Box or COA. 90% Silver Gem Deep Cameo. Similar to Set Shown. Up to 10% off BIN Price. Less than that will be auto declined. To combine more items you can take up to 7 days to pay. Please Allow up to 30 Days for Late Packages. 30 Day Return Privilege.