|The value||25 центов|
|Composition||Медь, плакированная медь-никелем|
|The mark of the mint||D - Денвер, США|
Period - Kwatery "Parks USA" (2010 - 2017). View of the coinage of Commemorative coins.
On reverse: national monument, Effigy Mounds (Shaped mounds), eng. Effigy Mounds National Monument includes a number of archeological monuments on the territory of the districts Allamakee and Clayton in Iowa. A monument with an area of 10 km2 with 206 mounds, 31 of which are effigies. Other mounds are conical, linear or complex form. North unit (67 mounds) and South unit (29 mounds) are located on the border of the counties along the Mississippi river. These mounds are easily accessible for tourists. Group Snai-Magilla (112 mounds) is located 17 kilometers from these two groups and is not equipped with tourist infrastructure.
On the obverse: portrait of George Washington on top of the name States "United States of America", below the denomination of the coin "Quarter Dollar". On the left side the inscription "Liberty" means "Freedom" and right – "In God We Trust", translated as "In God we trust". Under this inscription, the mint mark.