History of Aviation, Rare Stamps and Postal History of the World, Part 2
Thursday, January 13, 2022 at 4:00 PM UTC
Lot 704:
1930, Zeppelin issue, inverted red overprint on Aviation School stamp of 25c blue and black, bottom sheet margin block of four, full OG, NH or LH (top stamps), VF, C.v. $600 as hinged singles, Est. $400- $500 , Sc. #C15a
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