Germany - German Democratic Republic - 10 Mark - 1975 - Weight 12,0 gr - Copper-nickel - Size 31,0 mm - Thickness 2,15 mm - Alignment Medal (0°) - General secretary / Erich Honecker (1971-1989) - Obverse / 20th anniversary of the Warsawa pact. the 7 coat of arms of each member state - Engraver Werner Rosenthal - Minted in A = Berlin - Edge : Reeded - Mintage 1 906 406 - Reference KM# 58 (1975)