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

Modern Issues of Russian Federation

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Start price: $400

Buyer's premium:

2007, International Polar Year, imperforate Goznak proof of souvenir sheet containing stamps of 6r, 7r and 8r, vertical pair with gutter (21mm) and control colored lines at right, printed on chromaline card, no gum as produced, VF and very rare, Est. $800-$1,000, Scott #7021