1759 AD., German States, Mecklenburg-Schwerin, Friedrich I, 3 Pfennig, Kunzel 339a.

German States, Mecklenburg-Schwerin, Friedrich I (1756-1785), 1759 AD.,
3 Pfennig (ø 20,5-21 mm / 2,09 g), copper, axis medal alignment ↑↑ ,
Obv.: F , crowned letter F.
Rev.: III / PFENNIG / 1759 , value and date between 3 rosettes.
Kunzel 339a ; KM - .

Date / Mintage / Details
1759 / ?

Frederick I, Duke of Mecklenburg-Schwerin, called the Pious (German: Friedrich II Herzog von Mecklenburg-Schwerin; 9 November 1717 – 21 April 1785) was Duke of Mecklenburg-Schwerin from 1756 until his death.
More at https://en.wikipedia.org/wiki/Frederick_II,_Duke_of_Mecklenburg-Schwerin