The United States Mint is now accepting orders for their 2017 Effigy Mounds National Monument quarter dollar three coin sets.The set forms a part of the America the Beautiful Quarters […] US Mint Releases Effigy Mounds 3 Coin SetFebruary 28, 2017 in New Releases / Unites States Mint tagged 2017 / america the beautiful / proof / set / uncirculated / US Mint / usa by Numisman