The World is Made of Glass Ltd. has dated this piece to the 18th Century.
The glass is in excellent condition for its age.
It has a rough pontil mark to the underside of the foot.

The glass has a rounded funnel-shaped bowl measuring 6.8 cm (2.7 inches) in diameter at the rim. The bowl is plain and sits on an incised twist stem that leads to a conical, folded foot which measures 7.3 cm (2.9 inches) in diameter. The glass is 15.5 cm (6.2 inches) in height. There are no chips, cracks, significant scratches or any obvious evidence of restoration.
It is made from lead metal weighing 153 g. (~ 5 1/2 oz.).
The World is Made of Glass Ltd. has dated this piece to the 18th Century.
Dealing in antique and collectable glass from the 17th to the 21st century.
You can view the stock and full dealer information on the The World is Made of Glass Ltd. Profile Page