Coin Above is a 6 Silver Groschenw
 
John I Albert (Polish: Jan I Olbracht; 27 December 1459 – 17 June 1501) was King of Poland from 1492 to his death and Duke of Głogów from 1491 to 1498. He was the fourth Polish sovereign from the Jagiellonian dynasty and the son of Casimir IV and Elizabeth of Austria.