Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1
Lot 100:
1925, red Airplane overprint on definitive stamps of 1925, four stamps with inverted overprint, one – shifted and two with overprint on gum side, in addition 9 different overprint varieties on air post stamps of Syria, full OG, NH (50%) or LH/hinged, mostly VF, Est. $150-$200, Sc. #C13-16 var
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