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Overprints on this type: (See as list) 10/1/1928 issue=1928 postage and revenue ovpt=POSTAGE//AND//REVENUE oc=blk airmail 4/1/1928 ovpt=AIR//MAIL oc=blk In collections: unused (Stan Shebs) |
External links: Colnect 10751-..cribed_POSTAGE Record of changes |
