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desc_issuer: United States desc_year: 1979 desc_denom: 21c Related descs: issuer=United States-1978 issuer=United States-1980 Not used by any overprinted stamps. Used by 1 (0 visible) image: See images as array Matches 2 types: United States airmail 3/29/1979 21c multi issue=Octave Chanute d=biplane hang-glider unwmk perf=11 United States airmail 3/29/1979 21c multi issue=Octave Chanute d=Octave Chanute & Hang glider unwmk perf=11 |