The 50th Anniversary of the Radio Discoveries of Alexander Stepanovich Popov 1945
ただいま表示中: ソビエト連邦 - 郵便切手 - 1945 - The 50th Anniversary of the Radio Discoveries of Alexander Stepanovich Popov - 3 切手.
ただいま表示中: ソビエト連邦 - 郵便切手 - 1945 - The 50th Anniversary of the Radio Discoveries of Alexander Stepanovich Popov - 3 切手.