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desc_issuer: Ecuador desc_issue: 1937 air desc_denom: 2s Used by 1 overprinted stamp: Ecuador airmail official 8/19/1937 2s ovpt=OFICIAL oc=blk on=issue=1937 air-2s unwmk perf=12 Not used by any images. Matches 1 type: Ecuador airmail 1937 2s issue=1937 air unwmk perf=12 |