Exhibit Antiques has dated this piece to the 1700s.
A fine 18th-century opaque twist champagne glass. A conical bowl transitions to a double series opaque twist stem. The stem is comprised of a pair of spiral threads outside gauze. The conical foot has a rough pontil.

Date & Origin
England, c1760. Period of George III.
Condition
Excellent, age-related wear as shown.
Dimensions
Height: 19.2cm Bowl Diameter: 6.3cm Foot diameter: 6.5cm.
Historical Relevance
Exhibit Antiques has dated this piece to the 1700s.
Specialists in 18th & 19th century antique glass
You can view the stock and full dealer information on the Exhibit Antiques Profile Page