On 2011-09-30 auctions on the National Bank of Poland has been finished and issue's prices was established for coins commemorating100th Anniversary of the Society for the Care of the Blind

Silver coin with the denomination 10 zł:
 - Reserve gross price: 112 pln
 - Selling price (price of issue): 112 pln
 - The number of coins to sell: 42.500 pcs
 - Total emission: 50.000 pcs
 - Auction starting date: 27-09-2011 08:00
 - Auction ending date: 30-09-2011 13:00
 - Date of issue: 14-10-2011

14-10-2011 is a day of issue coin with the denomination 2 zł and total mintage of 800.000 pieces.