It was listed by Exhibit Antiques. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Exhibit Antiques has dated this piece to the 1850s.
A Trefoil (Vandyke) rim with a band of diamonds below. Graduated prism cuts leading down to a radial cut foot.

Date & Origin
Ireland, c1830. Period of George IV.
Condition
Very good. A few very small nibbles to the rim. For a piece of this size and style, the condition is remarkable.
Dimensions
Height: 7.1cm Diameter: 25cm.
Historical Relevance
Hand-blown around the time Austins of Derry was established in Northern Ireland. At its closure in 2016, it remained the world's oldest independent department store.
Exhibit Antiques has dated this piece to the 1850s.
Specialists in 18th & 19th century antique glass
You can view the stock and full dealer information on the Exhibit Antiques Profile Page