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

RSFSR Issues 1918-23

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Start price: $200

Buyer's premium:

1922-23, typo ”Star” surcharge 30r on 50k brown lilac and green, vertical gutter block of four, full OG, NH, VF, Est. $300-$400, Scott #219 var