Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2
Lot 818:
EXHIBITION STYLE COLLECTION: 1928, 170 mostly mint stamps (47 – used), including 40 positional singles or blocks, 22 of which with control numbers, two blocks of 50h on yellowish paper, two Jubilee cancelled sets in Prague and Košice on individual pieces, nice quality unit, full/part of OG or used, F/VF, Est. $600-$800, Scott #141-51, var
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