On 2013-06-05 auctions on the National Bank of Poland has been finished and issue's prices was established for coins commemorating Denarius of Boleslaw I the Brave

Silver coin with the denomination 5 zł:
 - Reserve gross price: 63 pln
 - Selling price (price of issue): 95 pln
 - The number of coins to sell: 17.000 pcs
 - Total emission: 20.000 pcs
 - Auction starting date: 03-06-2013 08:00
 - Auction ending date: 05-06-2013 13:00
 - Date of issue: 20-06-2013