A Rare Georgian Opaque Twist Wine Glass c 1760

Description

Heading : Georgian Multi-Series Opaque Twist Wine Glass c 1760
Period : George II – George III
Origin : England 
Colour : Clear. good grey hue and pucella marks
Bowl : Round funnel 
Stem : A pair of flat spiral tapes with two further sets of seven ply fine bands. outside a pair of corkscrew threads to the centre. This is not a triple series. the two outer elements have the same radius of curvature. It is however a very rare combination.
Foot : Conical
Pontil : Snapped
Glass Type : Lead 
Size :  16.1cm height.  6.2 cm diameter bowl. 6.8 cm diameter foot 
Condition : Excellent. no chips or cracks 
Restoration : None 

Weight:  154 grams