German school 18/19th century, Prince George Karl von Thurn und Taxis (1792-1795), pastel, inscribed verso: Tt mark surmounted with a crown, Schloss St Emmeram cloth inventory label St E 13879, 34 x 28 cm. Provenance: Sotheby's; Thurn und taxi auction, paintings, volume IV, lot 3120, Regensburg, 19 October, 1993