18th Century Dutch Opaque Twist Stem Wine Glass c1790

Description

Heading : A Dutch opaque twist wine glass
Period : c1790
Origin : United Provinces of The Netherlands. Dutch Republic
Colour : Clear. slight violet gray hue.
Bowl : Round funnel. excellent tool marks
Stem : Four spiral threads outside a vertival gauze
Foot : Conical
Pontil : Snapped
Glass Type : Lead free
Size :  13.3cm height.  5.0cm diameter bowl. 6.5cm diameter foot 
Condition : A 2.5 mm x 1.5mm flake chip on underside of the foot. Clinker in the stem and bowl from manufacture . a feature of early glasswares this is not a flaw.
Restoration : None 
Weight:  87 grams