Engraved 19th Century Glass Rummer c1820

Description

Heading : A 19th Century Heavy Glass Rummer
Period : George III- George IV
Origin : England 
Colour : Clear 
Bowl : Cup shape. Diamond point engraved in copper-script W Collins on the bowl and underside of the foot
Stem : Capstan
Foot : Thick conical
Pontil : Snapped
Glass Type : Lead
Size : 13.5 cm height. 10 cm diameter bowl. 8.5 cm diameter foot 
Condition : Very good.no chips or cracks some fine scratches inside the bowl
Restoration : None 
Weight: 373 grams