NGC-certified Polish Coins Take Center Stage in Niemczyk Auction

A standout group of world coins certified by NGC®, including a pair of extraordinary Danzig mint rarities, is crossing the auction block. Bidding is already underway for Antykwariat Numizmatyczny Michał Niemczyk’s Auction 53  on March 14-17, 2026.

Among the top highlights of this auction is a Poland 1692 Danzig 2 Ducats graded NGC MS 61 (lot 468), with a starting price of 270,000 PLN (about $77,000). Struck in 1692 at the Danzig mint, the coin was issued in the aftermath of King John III Sobieski’s decisive victory over the Ottoman Empire at the Battle of Vienna in 1683, an event that reshaped the political balance of Europe. Today, just two examples of this particular coin are confirmed, according to the auction house.

Also available is a Poland 1763 REOE Danzig 6 Groszy graded NGC PF 66 (lot 504), with a starting price of 70,000 PLN (about $20,000). This incredibly rare silver coin is the only example in the NGC Census. It was struck in the last year of the 30-year reign of King Augustus III and the last year of the Seven Years’ War.

Other NGC-certified coins in this sale include:

• a Russia 1894 AT 10 Roubles graded NGC MS 63+ (Session 1, lot 782), with a starting price of 42,000 PLN (about $12,000)
• a Poland 1763 ICS Elbing 6 Groszy graded NGC MS 66 (Session 1, lot 508), with a starting price of 40,000 PLN (about $11,000)
• a Poland 1755 Danzig 3 Groszy Silver Piefort graded NGC MS 63 (Session 1, lot 505), with a starting price of 35,000 PLN (about $10,000)
• a Poland 2012 Gold 500 Zylotch – UEFA graded NGC PF 70 Ultra Cameo (Session 2, lot 2617), with a starting price of 35,000 PLN (about $10,000)
• a Poland 1631 Taler graded NGC MS 61 (Session 1, lot 193), with a starting price of 30,000 PLN (about $8,600)
• a Poland 1930 5 Zlotych - Revolution, High Relief graded NGC MS 61 (Session 2, lot 2223), with a starting price of 20,000 PLN (about $5,800)
• a Poland 1988MW Gold 10,000 Zylotch - John Paul II Anniversary graded NGC Mint Error PF 68 Ultra Cameo – Obverse Struckthrough (Session 2, lot 2612), with a starting price of 17,000 PLN (about $4,600)
• a China 1998 Gold 50 Yuan Panda - Small Date graded NGC MS 67 (Session 4, lot 4267), with a starting price of 10,000 PLN (about $2,900)
• a Poland 1990 Silver 100,000 Zlotych Struck 25% Off Center graded NGC Mint Error MS 65 (Session 1, lot 2759), with a starting price of 3,200 PLN (about $900)

Starting prices are set by the auction house. The $ symbol indicates US Dollars.