Rare ten-ducat coin sells for ten million crowns

A rare ten-ducat coin from the Prague mint during the reign of Frederick the Great from the early 17th century sold for more than ten million crowns at an auction in Prague on Saturday, Roman Veselý of  Aurea Numismatika, told the Czech News Agency. The starting price of the coin was two million crowns.  The auction brought in over 100 million crowns in total.