An 18th Century Opaque Twist Stem Wine Glass c1760

Heading : An opaque twist stem glass
Period : George II - George III
Origin : England 
Colour : Clear 
Bowl : Ogee
Stem : A pair of seven ply spiral bands outside a pair of corkscrew threads
Foot : Conical
Pontil : Snapped
Glass Type : Lead 
Size :  14.4cm height,  5.3cm diameter bowl, 7.2cm diameter foot 
Condition : No chips or cracks. The glass does rock very slightly on an even surface.
Restoration : None
Weight:  129grams