D · G ·
PETRUS · IN · LIV · CURL · ET · SEMGAL · DUX (Translation: With God`s grace, Peter, Duke of Livonia, Courland, and Semigallia)
Reverse description
Shield with eagle beside shield with horseman under crown and surrounded by legend.
Reverse script
Latin
Reverse lettering
MON ·
NOVA · ARG · DUC · CURL · AD · NORMAM · TAL · ALB · 1780 (Translation: New silver coin of the Duchy of Courland, by the standard of the Albert Thaler)