A delftware spirit flask mid 18th century

A delftware spirit flask mid 18th century, London or Bristol, of barrel shape with concentric moulded rings to each end, the middle with a single bung hole, decorated all over in a powdered blue glaze, 12.5cm.

Cf. Frank Britton, English Delftware in the Bristol Collection, p.253 for three similar examples decorated in powdered manganese.