18th Century Dutch Opaque Twist Firing Glass c1790

Description

Heading : Dutch opaque twist firing glass
Period : Dutch Republic
Origin : Netherlands  
Colour : Clear. dark grey hue
Bowl : Drawn trumpet 
Stem : Double series opaque twist – 4 spiral tapes outwith a spiral gauze 
Foot : Firing foot
Pontil : Snapped 
Glass Type : Lead free
Size : 10.8 cm height. 5.8 cm diameter bowl. 6.6 cm diameter foot 
Condition : Excellent. no chips or cracks 
Restoration : None 
Weight: 127 grams