desc_issuer: Costa Rica desc_function: airmail official desc_denom: 1col Used by 1 overprinted stamp: Costa Rica airmail 11/22/1944 1col ovpt=1944 oc=blk on=type=airmail official-1col unwmk perf=12 Not used by any images. Matches 1 type: Costa Rica airmail official 1934 1col ovpt=OFICIAL oc=blk on=issue=1934 airmail-1col unwmk perf=12 |