Czechoslovakia
The Kutná Hora commemorative gros, which was minted in the State Mint Kremnica for the exhibition "700 years of Czechoslovak mining", held in May 1949 in Kutná Hora

 where coins were sold only to visitors to this exhibition

AR- 0.987, 27 mm (4.09 g), hallmark Kremnice Mint and hallmark of fineness 987.