Heading : An 18th century Wine Glass With Folded Foot
Period : George II- George III
Origin : England 
Colour : Good grey hue
Bowl : Ogee
Stem : Plain
Foot : Conical and folded
Pontil : Snapped
Glass Type : Lead 
Size :  15.5cm height,  4.9cm diameter bowl, 8.2cm diameter foot 
Condition : Excellent, no chips or cracks. Small sooty particles in the bowl and the foor
Restoration : None 
Weight:  136 grams 

https://scottishantiques.com/georgian-antique-wine-glasses