On 2010-10-29 auctions on the National Bank of Poland has been finished and issue's prices was established for coins commemorating Artur Grottger.

Silver coin with the denomination 20 zł:
 - Reserve gross price: 145 pln
 - Selling price (price of issue): 145 pln
 - The number of coins to sell: 60.000 pcs
 - Total emission: 59.000 pcs
 - Date of issue: 2010-10-28

2010-10-27 is a date of issue coin with the denomination 2 zł and total mintage of 1.300.000 pieces.