Antique Georgian oil painting on tin study of a country gentleman

Antique Georgian oil painting on tin study of a country gentleman. English School, circa 1800-40. Unsigned, artist unknown. Oil on tin. Gilt gesso frame. Size of frame: 13.5 x 10.5 inches; Size of tin panel: 9.75 x 7 inches; Size of front painting aperture: 9.25 x 6.25 inches. Weight: 823g (allow 3 kg volumetric weight once packed). Condition commensurate with age - various superficial marks & scratches, some scuffs and knocks to and pieces missing from gilt frame but all part of its charm and character. Priced accordingly. Best described as faded grandeur.