Mint mark IDB Johann David Billert, mint master, Dresden (1756-1759), Braunschweig (1760-1779)
Inscription:
Inscription: CAROLVS IDG DVX BRVNSVIC ET LVNEB Meaning: Carolus I. Dei Gratia Dux Brunsvicensis Et Luneburgensis (Charles I, by the Grace of God Duke of Brunswick and Lüneburg).