Portrait of Count Franz Peter Friedrich von Diesbach (1739-1811), half-length

Johann Baptist Lampi I (Romeno 1751-1830 Vienna) Portrait of Count Franz Peter Friedrich von Diesbach (1739-1811), half-length signed, inscribed and dated 'Kamer Schlüssel / für / den kais. konigl. würdlichen Kamer / herrn Grafen Franz von Dierbach / in Paris / Lampi Fecit / 1788.' (lower left) and inscribed 'TERESIA PIA FELIX AUGUSTA’ (lower left, on the coin) oil on canvas 40 7/8 x 32 5/8 in. (103.8 x 82.9 cm.)