Marris Antiques has dated this piece to the Georgian era.
English C1810/20.
Height: 10 cm.
Base diameter: 6 cm.
Rim diameter: 8 cm.

Condition: Very good with no chips or cracks.
Note: An identical glass is illustrated on plate 37 no. 164. In
A Coronation Exhibition of Royal, Historical, Political and Social Glasses
Commemorating Eighteenth and Nineteenth Century Events in English Glass
By Arthur Churchill
April 26 - May 28 1937.
Marris Antiques has dated this piece to the Georgian era.
Robert marris specialises in 18th, 19th and early 20th-century english and irish glass.
You can view the stock and full dealer information on the Marris Antiques Profile Page