Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Russian Air Post Stamps and Covers

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Start price: $150

Buyer's premium:

1931, Ice-Breaker ”Malygin”, 30k-2r, imperforate and perforated (comb 12×12½) complete set of four, full OG, NH or VLH (perf 35k and 1r), all appearing NH, mostly VF, C.v. $542, Scott #C26-29, C3-33