Aeronautics Conference Issue 1928

Now showing: United States - Postage stamps - 1928 - Aeronautics Conference Issue - 2 stamps.

1928 Aeronautics Conference Issue

12. December WM: None Perforation: 11

[Aeronautics Conference Issue, type GK] [Aeronautics Conference Issue, type GL]
No. Type D Mint Condition Unused Used Letter/FDC
512 GK 2C 1.18 0.88 0.88 - USD  Info
513 GL 5C 7.07 4.72 2.95 - USD  Info
512‑513 8.25 5.60 3.83 - USD 
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