An interesting late 18th century American Neoclassical sugar vase and cover

An interesting late 18th century American Neoclassical sugar vase and cover, with five bead borders and bright cut cartouche, initialled 'A', unmarked but almost certainly by Abraham Dubois, *Philadelphia 1790, 10.75in (27.4cm) high, 16oz. *This vase and its matching marked coffee pot feature in a 1974 Spink & Son Ltd catalogue 'Spink 74' pp26. The vase also features in Margaret Holland's Illustrated Guide to silver pp.158.