Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 3
Lot 1490:
COLLECTION IN RED STOCKBOOK: 1918, 470 mostly mint stamps (87 – used), representing all types, except local, highlights included type 1 – perforated 7k in block of four, 25k mint and used, 35k double and inverted overprints; type 2 – 3.50r on vertically laid paper (type 2a), 5k and 5r (type 2bb), 8 stamps with inverted overprints of types 3, nice quality unit, full/large part of OG, some NH stamps, mainly LH/hinged, F/VF, ex-Dr. Seichter and Dr. Zelonka, Bulat #13/644, C.v. $3,700++, Est. $1,200-$1,500
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