SV1XV's photos with the keyword: enigma

Poland-1983-5zl

24 Jul 2018 1 365
Poland: Postage stamp for the 50th anniversary of the breaking of the German Enigma cipher (1933-1983)

USA 1992 29¢

16 Jun 2018 1 611
1942 - Allies decipher secret enemy codes (Enigma). USPS Into the Battle series, US 2697f (1992).