Deutschland DDR 20 Mark 1972 Wilhelm Pieck 1876-1960 in Hartplastik Kapsel EF | MA-Shops
Germany Wilhelm Pieck the 1st President of the GDR 20 Mark Coin 1972 | eBay
Commemorative coins from East Germany - 10 Mark Buchenwald Memorial 1972 / 10 Mark 20 Years Warsaw Pact 1975 / 20 Mark Wilhelm Pieck 1972 / 20 Mark Ernst Thälmann 1971 : r/coins
20 mark 1972 - Wilhelm Pieck, Germany - GDR - Coin value - uCoin.net