Exhibit Antiques has dated this piece to the 1750s.
An 18th-century triple knop air twist wine glass dating to c1750.
Conical foot.

Quite rare to find a three knop example.
If you would like to learn more about 18th century air twist wine glasses, please have a look at our on line article below
Identification of Antique Drinking Glasses | The English Air Twist

Date & Origin
England, c1750. Period of George II.
Condition
Excellent, no chips cracks or restoration
Dimensions
Height: 17cm, Rim diameter: 6.7cm Foot diameter: 7.4cm
Comments
This glass comes from the Michael Wallis collection which took over 45 years to build and contains over 250 drinking glasses, covering all forms from the 18th century, many exceptionally rare. They will all be presented by Exhibit over the coming weeks and months.
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