2010,KM-290, Schön-282 Country Germany – Federal Republic (Germany) Year 2010 Value 10 Euro Metal Silver (.925) Weight 18 g Diameter 32.50 mm Commemorative issue 20th Anniversary of German Reunification Obverse Lettering: BUNDESREPUBLIK DEUTSCHLAND 2010 A 10 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. Reverse Lettering: 20 JAHRE DEUTSCHE EINHEIT WIR SIND EIN VOLK 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.