Scott 1940 mint (20c) - Christmas Toy, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1941 mint 20c - John Hanson, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1941 mint sheet 20c (50) - John Hanson, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1942 mint 20c - Desert Plants - Barrel Cactus, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1942-45 mint 20c - Desert Plants, 4 varieties, attached, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1942-45 mint sheet 20c (40) - Desert Plants, 4 varieties, attached, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1943 mint 20c - Desert Plants - Agave, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1944 mint 20c - Desert Plants - Beavertail Cactus, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1945 mint 20c - Desert Plants - Saguaro, 1981 Commemorative Stamps, representative stamp imaged.
Scott 1946 mint (20c) - "C" Eagle, 11 x 10 1/2, 1981-82 Regular Issue Stamps, representative stamp imaged.
Scott 1947 mint (20c) - "C" Eagle, Coil, 1981-82 Regular Issue Stamps, representative stamp imaged.
Scott 1949 mint 20c - Bighorned Sheep, blue, from bklt pane (1982), 1981-82 Regular Issue Stamps, representative stamp imaged.
Scott 1950 mint 20c - Franklin D. Roosevelt, 1982 Commemorative Stamps, representative stamp imaged.
Scott 1950 mint sheet 20c (48) - Franklin D. Roosevelt, 1982 Commemorative Stamps, representative stamp imaged.
Scott 1951 mint 20c - LOVE, perf 11, 1982 Commemorative Stamps, representative stamp imaged.
Scott 1952 mint 20c - George Washington, 1982 Commemorative Stamps, representative stamp imaged.
Scott 1952 mint sheet 20c (50) - George Washington, 1982 Commemorative Stamps, representative stamp imaged.
Scott 1953 mint 20c - Alabama, 1982 State Birds & Flowers Commemorative Stamps, representative stamp imaged.
Scott 1954 mint 20c - Alaska, 1982 State Birds & Flowers Commemorative Stamps, representative stamp imaged.
Scott 1955 mint 20c - Arizona, 1982 State Birds & Flowers Commemorative Stamps, representative stamp imaged.
Scott 1956 mint 20c - Arkansas, 1982 State Birds & Flowers Commemorative Stamps, representative stamp imaged.
Scott 1957 mint 20c - California, 1982 State Birds & Flowers Commemorative Stamps, representative stamp imaged.
Scott 1958 mint 20c - Colorado, 1982 State Birds & Flowers Commemorative Stamps, representative stamp imaged.
Scott 1959 mint 20c - Connecticut, 1982 State Birds & Flowers Commemorative Stamps, representative stamp imaged.
