desc_issuer: Panama desc_year: 1920 desc_denom: 1b Related descs: issuer=Panama-1919 issuer=Panama-1921 Used by 1 overprinted stamp: Panama airmail 2/28/1930 1b d=ship in Pedro Miguel Lock oc=blk on=1920-1b unwmk perf=12 Not used by any images. Matches 1 type: Panama postage 1920 1b d=ship in Pedro Miguel Lock unwmk perf=12 |