The most expensive Mint State 70 American Silver Eagle is the 1999. The 1999 was not the lowest mintage by any means but is worth so much because there are so few graded in perfect 70. According to NGC as of April 10, 2019, there are only 248 graded and the piece is valued at $23,000!What is complete set of Silver Eagles worth?
While American silver eagles are classified as bullion coins, they are often collected by numismatists. The United States Mint strikes proof versions of silver eagles, which are usually worth a minimum of $40 to $50 each.