Engraved large Tumbler hand blown glass

Extra Large cut crystal toasting tumbler glass with grape vine engraved bowl in heavy cut crystal with ground base and pontil mark All hand made original 19th century In good original order with no cracks or chips but note a small vertical external surface scratch near the rim. Shown in top image at 2 o'clock European late 19th century in the Georgian manner of 1780 Height 10.5 cm Diameter 9cm Weight 450 grams