U.S. Mint Stamps by Year

United States #1989 20¢ Oregon Mint Single

United States #1990 20¢ Pennsylvania Mint Single

United States #2024 20¢ Ponce de Leon Mint Single

United States #1991 20¢ Rhode Island Mint Single

United States #2028 20¢ Snowman Mint Single

United States #2006 20¢ Solar Energy Mint Single

United States #1992 20¢ South Carolina Mint Single

United States #1993 20¢ South Dakota Mint Single

United States #1994 20¢ Tennessee Mint Single

United States #1995 20¢ Texas Mint Single

United States #2017 20¢ Touro Synagogue Mint Single

United States #2003 20¢ USA/Netherlands Mint Single