gold
Measuring nearly 7 centimetres in diameter and weighing a hefty 174.9 grams, the 50 duct gold coin from 1621 is masterpiece of baroque engraving and a pearl of Polish coinage.
DESA Unicum
Most expensive coin ever sold in Poland: 'Huge' 400-year-old gold coin set to fetch 2.6 million PLN at auction
