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desc_issuer: Ecuador desc_function: airmail official desc_denom: 20c Used by 1 overprinted stamp: Ecuador postage 1946 20c ovpt=POSTAL oc=blk on=type=airmail official-20c unwmk perf=12 Not used by any images. Matches 2 types: Ecuador airmail official 8/19/1937 20c ovpt=OFICIAL oc=blk on=issue=1937 air-20c unwmk perf=12 Ecuador airmail official 5/5/1929 20c viobrn issue=1929 official air unwmk |