2018,Country Germany – Federal Republic (Germany) Year 2018 Value 50 Euro Metal Gold (.9999) Weight 7.78 g Diameter 20 mm Obverse Double bass, name of instrument Lettering: KONTRABASS Translation: double bass Engraver: Erich Ott Erich Ott is a German sculptor, engraver, and designer. He is best known for his design of numerous German commemorative coins and designed the German Deutsche Mark coins in 1977, the 5 DM coin, commemorating the 200th anniversary of Carl Friedrich Gauss. Reverse Coat of arms, european stars, country name, value Lettering: BUNDESREPUBLIK DEUTSCHLAND 50 EURO Engraver: Erich Ott Erich Ott is a German sculptor, engraver, and designer. He is best known for his design of numerous German commemorative coins and designed the German Deutsche Mark coins in 1977, the 5 DM coin, commemorating the 200th anniversary of Carl Friedrich Gauss.