A Double Series Mercury Air Twist Wine Glass c1750

Description

Heading : A Double Series Mercury Air Twist Wine Glass
Period : George II
Origin : England 
Colour : Clear 
Bowl : Round funnel
Stem : A pair of air twist ‘tapes’ ouside a multi-series air twist core
Foot : Conical
Pontil : Snapped
Glass Type : Lead 
Size : 14.5 cm height. 5.5 cm diameter bowl. 6.7 cm diameter foot 
Condition : Excellent. no chips or cracks 
Restoration : None 
Weight:  136 grams