Heading : A Black Colour Twist Stem Wine Glass
Period : Modern
Origin : Unknown
Colour : Clear bowl, black enamel stem
Bowl : Lipped round funnel
Stem :  Multi-series colour twist
Foot : Low conical
Pontil : Snapped
Glass Type : Lead 
Size :  15cm height,  7cm diameter bowl, 6.5cm diameter foot 
Condition : Excellent, no chips or cracks 
Restoration : None 
Weight:  150 grams 

Riedel produced a very similar series of wine glasses from the mid 1960s, however this is completely handmade.