On 2011-03-04 auctions on the National Bank of Poland has been finished and issue's prices was established for coins commemorating 30th anniversary of the establishment of the Independent Students' Union - NZS.

Silver coin with the denomination 10 zł:
 - Reserve gross price: 80 pln
 - Selling price (price of issue): 80 pln
 - The number of coins to sell: 42.500 pcs
 - Total emission: 50.000 pcs
 - Auction starting date: 28-02-2011 08:00
 - Auction ending date: 04-03-2011 13:00
 - Date of issue: 2011-03-16

2011-03-16 is a day of issue coin with the denomination 2 zł and total mintage of 800.000 pieces.