The product is a 1971-S Proof Jefferson Nickel with a Doubled Die Reverse variety, minted in San Francisco. This uncirculated coin has a denomination of 5 cents and is struck as a proof coin by the United States Mint. The coin features toning colors and is ungraded. The unique aspect of this coin is the doubled die reverse design, which adds to its collectible value for numismatists interested in error coins. Same day shipping.