Exhibit Antiques has dated this piece to the Georgian era.
England, c1760. Period of George III.
Condition
Excellent, age-related wear as shown.
Dimensions
Height: 18.3cm Bowl diameter: 5.9cm Foot diameter: 7.4cm.
Weight
379 grams combined
Technical Description

A pair of double series opaque twist champagne glasses. 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.
Historical Relevance
Exhibit Antiques has dated this piece to the Georgian era.
Specialists in 18th & 19th century antique glass
You can view the stock and full dealer information on the Exhibit Antiques Profile Page