Keywords: Opie, after - John Montagu, 5th Earl of Sandwich.jpg after century 18 Oil on canvas cm 234 142 Hinchingbrooke House http //www bbc co uk/arts/yourpaintings/paintings/john-montagu-17431814-5th-earl-of-sandwich-48874 other versions PD-old-100 John Opie Hinchingbrooke House John Montagu 5th Earl of Sandwich 1800c 18th-century portrait paintings not categorised by year Male 18th-century oil portraits of standing men at full length in ceremonial robes 1800c 18th-century portrait paintings in the United Kingdom 1800c Copies of portrait paintings Coronation robes of peers 1800c Portrait paintings of men with crowns 1800c Portrait paintings of men with swords 1800c Powdered wigs in art 1800c |