A Rare Variant Georgian Opaque Twist Wine Glass c1760

Description

Heading : A Georgian Opaque Twist Wine Glass c1760
Period : George II- George III
Origin : England 
Colour : Clear 
Bowl : Rib moulded ogee
Stem : A pair of spiral tapes outside three independent vertical corkscrew tapes
Foot : Conical
Pontil : Snapped
Glass Type : Lead 
Size : 14.9 cm height. 4.6 cm diameter bowl. 7.2 cm diameter foot 
Condition : Excellent. no chips or cracks 
Restoration : None 
Weight: 112 grams 

This is the first time that we have encountered this stem formation. The central core  in such glasses will usually have entwined elements or a simple vertical gauze. The three adjacent corkscrews may possibly be unique.