Keywords: Countess Sophie Potocka by Kucharsky.jpg ca 1786 pastel object history The Witt Library had believed this was a VLB probably destroyed in Germany during World War II However the pastel or a copy appeared in a private collection in the United States and was later sold by Bonhams London as the work of Kucharski Another copy was sold in 2005 in Warsaw by which considered the original to probably be the work of Salvatore Tonci 1756-1844 creator Salvatore Tonci age PD-old-100 Zofia Potocka Alexander Kucharsky Salvatore Tonci |