"Wielandy, Charles (Swiss). Medallist and Engraver of Geneva, born in London on 26. July 1748; son of Jean Nicolas W., studied in Paris, and obtained an appointment as Engraver at the Geneva Mint in November 1794; died on 10. February 1837. He surpassed his father in steel-engraving, and excelled as a Modeller. He was entrusted in 1794 to cut the dies for the Geneva Décimes and Petits Ecus of 1795." - Forrer, L. "Biographical Dictionary of Medallists", Bd 6 (London 1916), S. 471
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