40 2018 S Pictured Rocks National Lakeshore 90% Silver Quarters Gem Reverse Proof Less Than 200K Mintage Of These Beautiful Reverse Proof Coins. Second Image And Specs Is From USA Coin Book To Show Both Sides Of Coins. (It Is Not Of One Of The Actual Coins). The 2018-S Reverse Proof Pictured Rocks Quarter is part of a special set of coins to commemorate the 50th anniversary of the San Francisco Mint’s production of Proof coinage. Please Feel Free To Contact Me If You Have Any Questions. All My Items Are In Stock. And Located In South Florida.