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desc_issuer: Russia desc_year: 1931 desc_denom: 50k Related descs: issuer=Russia-1930-40k issuer=Russia-1932 Not used by any overprinted stamps. Used by 3 images: See images as array 1931_zeppelinbuild_aspidka_h.jpg USSR_stamp_Aspidka_1931_50k.jpg Ussr1931dirigeable50kop.jpg Matches 1 type: Russia airmail 1931 50k blkbrn issue=1931 airmail perf dt=airships (1931) d=airship over the Arctic wmk=Greek border & rosettes perf=12.5 |