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815 (MI BG 774)816 (MI BG 775) | 10.02.1951 - " Radio Day - May 7, 1895. " - two postage stamps. Artist: Tsvetana Kosturkova and Anani Anev (in a collective group), Кратко описание: Alexander Stepanovich Popov, one of the discoverers of radio. Information about the publicationBK number: 815, 816,Nominal value: 4 BGN, 20 BGN, Perforation: for 815, 816 - Linear 10 3/4 and Linear 11 1/2 Paper type: for 815, 816 - normal paper Printing: for 815 - 1 000 000, 816 - 500 000 Tags: communications, radio
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