desc_issuer: United States desc_year: 1961 desc_denom: 20c desc_year2: 1967 Not used by any overprinted stamps. Used by 1 (0 visible) image: See images as array Matches 2 types: United States postage 10/24/1967 20c dpol issue=Prominent Americans d=George C. Marshall (1967) unwmk perf=11x10.5 United States airmail 4/26/1967 20c multi d=Columbia jays by Audubon unwmk perf=11 |