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Lots 1058 - 1059,
Catalogue of Stamp Auction #81, March 21, 2019. Raritan Stamps, Inc

Lot   Cat.#
Description
Ph
Curr.$
Bid
1058  4508
1976, Caucasus Flowers, sunken die proof of engraved part of the design for 4k in black, printed on white chalk- surfaced gummed paper, size 120x98mm, design engraver Mayorova, Goznak official signature and seal "Строгий Учет" (Strict Record) at the top right, full OG, trace of hinge, VF and very rare, V. Liapine certificate
375.00 
 
1059  4521
1976, definitive issue, Airplane and Globe, sunken die proof for 6k in blue, printed on white chalk-surfaced paper, size 90x120mm, design engraver Zotov, Goznak official signature and seal "Строгий Учет"(Strict Record) on reverse, no gum as produced, VF and very rare item from the Postal Archives, V. Liapine certificate
475.00