Rare Georgian Single Series Opaque Twist Champagne Glass c1760

Description

Heading : An elegant 18th century champagne or toasting glass
Period : George II-George III c1760
Origin : England 
Colour : Clear 
Bowl : Pointed funnel with everted rim
Stem : Opaque twist corkscrew.
Foot : Conical
Pontil : Snapped
Glass Type : Lead 
Size :  17.7cm height.  6.2cm diameter bowl. 7.1cm diameter foot 
Condition : Excellent. no chips or cracks 
Restoration : None 
Weight:  106 grams 

Only our second example. the first being damaged