Overprints on this type: (See as list) airmail 6/8/1931 ovpt=AIR MAIL//biplane oc=blk official 4/6/1925 issue=1925 official In collections: unused (Stan Shebs) |
Catalog numbers: Sc 2 External links: Colnect 441816..finitive_Issue |
Overprints on this type: (See as list) airmail 6/8/1931 ovpt=AIR MAIL//biplane oc=blk official 4/6/1925 issue=1925 official In collections: unused (Stan Shebs) |
Catalog numbers: Sc 2 External links: Colnect 441816..finitive_Issue |
