Antique 18th Century Georgian Air Twist Wine Glass c1750

An Antique Georgian Wine/Ale Glass C1750
18th century air twist wine glass. The stem is comprised of a pair of four ply spiral bands which transitions into a flared trumpet bowl with well defined pucella marks. The foot is conical and has a rough pontil.
Soda glass which could be English or continental.
The bowl of the glass neatly engraved with two pairs of barley ears devoting its use to bare or wine
Measuring 19cm
In excellent condition