2012,Schön-298a, KM-308A Country Germany – Federal Republic (Germany) Year 2012 Value 10 Euro Metal Silver (.625) Weight 16 g Diameter 32.5 mm Commemorative issue 300th Anniversary of Birth of Friedrich der Grosse Obverse Lettering: BUNDESREPUBLIK DEUTSCHLAND 2012 10 EURO A SILBER 625 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 Lettering: 300. GEBURTSTAG FRIEDRICH II. IN MEINEM STAATE KANN JEDER NACH SEINER FAÇON SELIG WERDEN Œ 1712-1786 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.