Exhibit Antiques has dated this piece to the 1750s.
An 18th-century opaque twist wine glass with a round funnel bowl. Rests upon a single series opaque twist stem consisting of an edged multi-ply corkscrew. Conical foot with a snapped pontil.

Date & Origin
England, c1760. Period of George III.
Condition
Excellent, no chips cracks or restoration
Dimensions
Height: 15.2cm Rim diameter: 5.5cm Foot diameter: 6.7cm
Historical Relevance
Rechendorf of New York City.
Exhibit Antiques has dated this piece to the 1750s.
Specialists in 18th & 19th century antique glass
You can view the stock and full dealer information on the Exhibit Antiques Profile Page