We are pleased to offer for sale this 2017-S Iowa Effigy Mounds National Monument Silver Quarter in GEM Proof condition from the US Mint's America the Beautiful Silver Quarters Program. This Effigy Mounds National Monument Silver Quarter comes from the San Francisco (S) Mint. This Iowa National Park Silver Quarter is the thirty sixth release in the America the Beautiful Silver Quarters Series. Effigy Mounds National Monument is featured thirty sixth because it was established as a National Park on October 25, 1949 by the NPS (National Park Service), the thirty sixth national reservation in United States history.
Information on Effigy Mounds National Monument :
Mound builder cultures are not uncommon in the Midwest, but effigy mounds are not as common. Effigy mounds are earthwork mounds that take the shap of mammals, birds and reptiles. These mounds were built in Wisconsin, northeast Iowa, parts of Minnesota and parts of Illinois. Effigy Mounds National Monument is comprised of the western edge of these regions. There are 67 mounds in the Northern Unit and 29 in the Southern unit. In total there are 206 mounds in the area, and 31 of those mounds are effigies.
Information on the United States Mint America the Beautiful Silver Quarters Program:
From 2010 through 2021 the US Mint is issuing commemorative quarters with special reverse designs celebrating National Parks and other National Sites. A park or site is being honored in each of the 50 States, the District of Columbia, and the five US Territories: Puerto Rico, Guam, American Samoa, US Virgin Islands, and Northern Mariana Islands. Each National Park or National Site was selected for its natural or historical significance. The National Park Silver Quarters are being minted and issued at the rate of 5 designs a year, in approximately ten week intervals. The National Park Silver Quarters are being released in the order that the locations were first designated as National Sites. The Obverse side of the coins feature a smaller restoration of the original Washington Silver Quarter portrait, modeled from designer John Flanagan's 1932 plaster. The Reverse of each coin will feature a representation of the unique character and environment of each State, District, or Territory's National Park or Historic Site.
Circulation strikes will be made at the Philadelphia (P) and Denver (D) Mints (starting in 2012 circulation strikes were also minted at the San Francisco (S) Mint). The San Francisco (S) mint will strike the Proofs in clad composition and silver. Clad composition strikes contain an outer layer of 75% copper and 25% nickel bonded to an inner core of pure copper with a 24.33 mm diameter, 5.67 grams weight, and a reeded edge. The silver strikes will contain 90% silver and 10% copper with a 24.33 mm diameter, 6.25 grams weight, and a reeded edge.
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