X. Weltfestspiele 1973 Berlin 10 Mark Coin

 This is a 10 Mark coin from the Deutsche Demokratische Republik (DDR), minted in 1973 to commemorate the X. Weltfestspiele held in Berlin. The obverse features the iconic Brandenburg Gate, a symbol of the East German capital, Berlin, and the event. The reverse displays the official emblem of the DDR, showcasing the symbol of labor and unity. This historical coin was released as part of a celebration for youth and student solidarity during a significant moment in Berlin's history. It's a rare piece for collectors, especially for those interested in East German numismatics and historical European coins.