Original 1990 45c Airmail / 25c "America Series" C127 / 2512 K.M.C. Venture 500th Anniversary of Christopher Columbus' Arrival in America First Day Cover Error Missing the "T" in "THE AMERICA SERIES". Canceled October 12, 1990 Grand Canyon, AZ. Envelope measures approximately 3 5/8" x 6 1/2". Please see pictures. Will be packaged well to assure no damage.