Stylized eagle - a symbol of Germany and the 12 stars of the European Union. The inscription "BUNDESREPUBLIK DEUTSCHLAND" ("FEDERAL REPUBLIC OF GERMANY"), the year of minting, as well as the sign of the mint.
'KONRAD ZUSE - VISIONÄR ZWISCHEN NULL UND EINS'
Konrad Zuse (him. Konrad Zuse) - German engineer, pioneer of computer engineering. Best known as the creator of the first really working programmable computer (1941) and the first high-level programming language (1945).