Heading : Multi series air twist Georgian wine glass
Period : George II - c1750
Origin : England 
Colour : Clear 
Bowl : Round funnel. Excellent pucella marks
Stem : Multi series air twist with cushion knop
Foot : Conical 
Pontil : Snapped 
Glass Type : Lead 
Size : 16.5 cm height, 5.7 cm diameter bowl, 6.6 cm diameter foot 
Condition : Excellent, no chips or cracks . There is a piece of clinker in the bowl.
Restoration : None 
Weight:  146 grams 

This is rather elegant. The cushion knop provides visual balance, it is a good composition.

Reference : 

 Investing in Georgian Glass by Ward Lloyd Pg. 155 (stem type)