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 shows age related wear and tear to the rim of the foot commensurate with some 250 years of use. It has a rough pontil mark on the underside of the foot.
The glass has an ogee-shaped bowl measuring 5 cm (2 inches) in diameter at the rim.
The stem ends in a conical foot which measures 7.2 cm (2.9 inches) in diameter. The glass is 14.5 cm (5.8 inches) in height. There are no chips, cracks, significant scratches or any obvious evidence of restoration. There is a distinct shear mark to the edge of the foot where it was finished off by the chair.

Lead glass weighing in at 140 g. (~ 5 oz.). An excellent glass of its type with excellent provenance.
Provenance:
Thomas Scholes Collection, Sotheby's, 2 November 1961, lot 98
Dr L H B Light Collection, Sotheby's, 23 November 1970, lot 153
Graeme and Molly Cranch Collection, Christie's, 17 November 1992, lot 53
Sotheby's, 14 December 2004, lot 280
Chris Crabtree Collection, Bonhams, 12 November 2014, lot 148
Peter Eales Collection
The World is Made of Glass Ltd. has dated this piece to the 18th Century.
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