Charles Amédée Philippe van Loo (Rivoli near Torino 1719 – 1795 Paris). Portrait of Frederick II, King of Prussia. Circa 1766/1769 Oil on canvas. 86,5 × 72 cm (34 × 28 ⅜ in.). On the decorative frame with the shield: Frederick the Great. Presented by him to Sir Andrew Mitchell, Ambassador at his court. Accompanied by a certificate (in copy) by Prof. Dr. Helmut Börsch-Supan, Berlin, dated 28 November 2022.– [3080] Provenance: Sir Andrew Mitchell, Berlin (presumably circa 1766 received as a gift by Friedrich II, until 1771) / The Lords Reay, County of Caithness, Scotland / Captain HCP Hamilton, Monye, Durrow, County Laois, Ireland (in family collection until 2017)