1993 29c National Postal Museum
1997 32c US Department of the Air Force
1997 32c Stagecoach and Ship
1992 29c Minerals
1992 29c Juan Rodriguez Cabrillo
1990 40c Great Americans: Claire Chennault
1987 25c Bicentenary Statehood: Rhode Island
1990 25c Sea Creatures
1991 29c Literary Arts: William Saroyan
1993 29c Sporting Horses
1993 29c Country Music Legends
1993 29c Contemporary Christmas: Greetings
1994 29c Black-necked Crane and Whooping Crane
1995 32c Richard Nixon
1995 32c POW and MIA, Never Forgotten
1995 60c Eddie Rickenbacker
1996 2c Red-headed Woodpecker
1996 32c Folk Heroes
1996 32c Rural Free Delivery
1997 32c First Supersonic Flight
1998 32c "Remember the Maine"
1998 32c Klondike Gold Rush
1990 5c Great Americans: Luis Munoz Marin
1992 29c Great Americans: Earl Warren