Heading : A Multi Series Air Twist Ale or Champagne Glass
Period : c1750
Origin : England 
Colour : Clear 
Bowl : Tall bell shape
Stem : Air twist with collar ball knop
Foot : Conical
Pontil : Snapped
Glass Type : Lead 
Size :  19.4 cm height, 6.8 cm diameter bowl, 7.2 cm diameter foot 
Condition : Excellent, no chips or cracks 
Restoration : None 
Weight:  174 grams 

A very elegant 18th century champagne or ale glass.