Georgian Opaque Twist Stem Champagne Glass c1760

Heading : An Opaque Twist Stem Champagne Flute c1760
Period : George II- George III
Origin : England 
Colour : Clear. grey tone
Bowl : Lipped funnel. Good pucella marks
Stem : A pair of spiral threads outside a lace corkscrew
Foot : Conical
Pontil : Snapped
Glass Type : Lead 
Size :  19.0cm height.  6.7cm diameter bowl. 7.2cm diameter foot 
Condition : Excellent
Restoration : None 
Weight:  173 grams