This product is a lot of 21 US proof mint sets ranging from 1971 to 1999. Each set includes coins with denominations ranging from .01¢ to $1, with a composition of clad and a fineness of 0.75. The coins are uncirculated and struck as proof, with certification from the U.S. Mint. Each set is from the San Francisco Mint and includes assorted KM numbers. A great addition for collectors of US coins, this lot offers a comprehensive range of proof sets from the late 20th century.

Very nice collection of US proof sets to add to your own collection, below is a list of items in auction

1971, 1998, 1990

1971, 1988, 1988

1983, 1988, 1985

1983, 1993, 1973

1994, 1991, 1993

1996, 1981, 1982

1997, 1999, 1999