A colour-twist wine, English circa 1770, bell bowl, opaque colour twist stem, comprising a multiple thread white corkscrew edged with a opaque red and translucent green, alternating with a pair of white spiral tapes, and an accidental air thread, and a high conical foot. Height 170 mm, Foot/Stem/Bowl 75/13/65 mm. Reference: Similar to Bickerton pl 727.