Heading : A Georgian Baluster Wine Glass With Domed Foot
Period : George II 1720-1730
Origin : England 
Colour : Clear. Blue-grey tone
Bowl : Bell shaped, strong pucella marks
Stem : Annular collar above an inverted baluster knop with large air tear that extends into a plain stem. Flattened ball knop cushion
Foot : Domed and folded
Pontil : Snapped
Glass Type : Lead 
Size :  18.5 cm height,  9.0 cm diameter bowl, 8.6 cm diameter foot 
Condition : Excellent, no chips or cracks. Some small inclusions
Restoration : None 
Weight:  284 grams

Another myth busting glass. The bowl has a greater diameter that the folded foot.