Lot 1209:
Soviet Union - Die Proofs Selection
Not sold
Description
1981, Centenary of Welding, invented by N. Bernardos, two sunken die proofs of 6k of black color only, one is complete design, the other one has N. Bernardos’ portrait only, first one with printer’s markings and manuscript ”Correct letter ”B” (on proof it is oblique at top left), sizes 115-120x100mm, printed on gummed paper with traces of hinging, VF and probably unique couple, Est. $800-$1,000, Sc. # 4934
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