Possibly, Lauchhammer foundry, Germany, est. 1725
Pendant Medallion with Portrait of Friedrich August I, King of Saxony (1750-1827; 1806 King)
Ring
Clasp
Freiberg in Saxony
Pendant with Portrait Medallion of Friedrich August I, King of Saxony (1750-1827; 1806 King)
George Washington (1732-99), American General and First President of the United States
Heinrich Duke of Saxony (1473-1541; ruled from 1539 as Heinrich the Pius); 300 Years of the Reformation in Dresden
Calling Card
The name on the calling card refers to Carl Friedrich Plattner (1800-1858), professor of metallurgy at the Freiburg Mining Akademie from 1842 to 1856.