Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 2
Lot 662:
1867, Cents issue, Beaver, imperforated trial color proof of 5c in brown red with black horizontal overprint Specimen, printed on India paper, no gum as issued, VF, Unitrade #15TCiv, C.v. CAD$250, Est. $80-$120 , Sc. #15
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