A rare Lipped Opaque Twist Stem Ale or Champagne Flute c1760

Description

Heading : An Opaque Twist Stem Flute
Period : George II- George III
Origin : England 
Colour : Clear 
Bowl : Lipped conical bowl
Stem : A pair of enamel threads outside a lace corkscrew
Foot : Conical
Pontil : Snapped
Glass Type : Lead 
Size :  18.8cm height.  6.3cm diameter bowl. 7.3cm diameter foot 
Condition : Excellent. no chips or cracks 
Restoration : None 
Weight:  141 grams