Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3

Soviet Union Stamps of 1941-91

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Start price: $600

Buyer's premium:

1976, Palekh Paintings, 14k multicolored, gold color (ornament and denomination) is inverted, full OG, NH, VF and very rare major error, only one sheet of 25 stamps has been discovered, a copy of N. Mandrovski certificate for a complete sheet, Raritan Stamps guarantee, Est. $1,000-$1,200, Sc. #4484 var