Three of Walpole’s most notable treasures at auction

ANTHONY VAN DYCK’S PORTRAIT OF THE EARL OF ST ALBANS

Henry Jermyn, Earl of St Albans, was a favourite of Charles I’s queen, Henrietta Maria. It is thought to have been bought by Walpole in 1784 and last came up for sale in 2012 at Christie’s. Estimated: £60,000-£80,000 Realised: £163,250

HUGO VAN DER GOES ALTARPIECE

Bought by Walpole in 1753, this altarpiece was most recently in the Metropolitan Museum of Art. On close inspection it is possible to see one of only a few surviving Renaissance preparatory underdrawings. Estimated: $3-5m Realised: $8.98m

GEORGE II SILVER TUREEN

This tureen was made for Walpole’s father, Robert, by Huguenot silversmith Paul Crespin in 1733. Its pair can be seen at the Norwich Castle Museum. Estimated: $100,000-$150,000 Realised: $200,500