Trzeciak - Ladislaus II Jagiellon Kraków mint

Władysław II Jagiełło came to the Polish throne through the 1385 Union of Krewo, which bound the Grand Duchy of Lithuania to the Polish crown and set the terms for his baptism and marriage to Queen Jadwiga. The coinage that followed — these small silver pieces struck across nearly five decades of his reign — funded the military campaigns that culminated at Grunwald in 1410, where the Teutonic Knights suffered their decisive defeat.

The Kopicki references spanning #353–357 reflect meaningful die and type variations across so long a production run, not a single homogeneous issue.