Antique Air Twist Stem Wine Glass With Vermiform Collar c1750

Heading : Air twist wine glass with vermiform
Date : c1750
Period : George II
Origin : England
Colour : Clear
Bowl : A bell bowl
Stem : Multi spiral air twist with a central vermiform collar. also called vermicular in some texts
Foot : Conical
Pontil : Snapped
Glass Type : Lead
Size : 16.3cm tall with a 6.1cm bowl and a 7.0cm foot  
Condition : Excellent. no chips or cracks
Restoration : None
Weight : 172 grams

References :

Eighteenth Century English drinking glasses an Illustrated Guide. By L.M Bickerton – Page 155 Plate 409.

The Arthur Negus Guide To British Glass By John Brooks – Page 57 Plate 42.

English Table Glass By Percy Bate – Plate 50.