Very rare Polish commemorative medal / authentic Stanisław Antoni Poniatowski ( 1732- 1798 ) silver 925 thousandths

authentic very rare commemorative medal of the year 1766 represents
Stanisław Antoni Poniatowski King of Poland and Grand Duke of Lithuania
it is 925% silver
diameter 40 mm
weight 25 grams
in very good condition
PS
At the Diet meeting in October 1766, Poniatowski tried to promote radical reform, aimed at restricting the practice of the Liberum veto.
Stanisław II Augustus (Polish: Stanisław August), real name Stanislas Antoine Poniatowski (Stanisław Antoni Poniatowski), born January 17, 1732 in Vowchyn (now Belarus) and died February 12, 1798 in St. Petersburg, was, from 1764 to 1795, the last King of Poland and Grand Duke of Lithuania, at the time of the Republic of the Two Nations.

According to the official titulature, he was "by the grace of God and the will of the people, King of Poland, Grand Duke of Lithuania and Duke of Ruthenia, Prussia, Masovia, Samogitia, Kiev, Volhynia, Podolia, Podlasia, Livonia, Smolensk, Siewierz and Czernihów."