A double series opaque twist stem wine glass, mid-18th century, the flared trumpet bowl raised on a stem with a pair of corkscrews outside a multi-ply corkscrew, on a conical foot, height 15.9cm. Provenance: formerly part of the L. Boreham Collection, purchased from Arthur Churchill Ltd, London.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price.