A rare four-knopped airtwist wine glass, circa 1750

A rare four-knopped airtwist wine glass, circa 1750 The bell bowl of attractive small size, the multi-spiral twists extending into the base of the bowl, the stem with upper and central knops above a lower baluster and basal knop, on a conical foot, 16.8cm high Footnotes: Provenance Standish Collection, Christie's sale, 5 November 1998, lot 93 Graham Vivian Collection For further information on this lot please visit Bonhams.com