Overprints on this type: (See as list) airmail 4/12/1919 ovpt=FIRST//TRANS-//ATLANTIC//AIR POST,//April, 1919. oc=blk In collections: used (Stan Shebs) |
External links: Colnect 251469.._caribou_issue Record of changes |
Overprints on this type: (See as list) airmail 4/12/1919 ovpt=FIRST//TRANS-//ATLANTIC//AIR POST,//April, 1919. oc=blk In collections: used (Stan Shebs) |
External links: Colnect 251469.._caribou_issue Record of changes |
