A double series opaque twist stem wine glass, mid/late 18th century, the trumpet bowl raised on a stem with a spiral gauze alternating with a heavy spiral thread, on a conical foot, height 18.6cm, together with another double series opaque twist stem wine glass, the stem with a pair of heavy spiral threads outside a spiral gauze, height 17.5cm.Buyer’s Premium 29.4% (including VAT @ 20%) of the hammer price.