A Birmingham enamel rectangular snuff box

A Birmingham enamel rectangular snuff box,

c.1760-65, the cover painted with a Fête Champêtre scene in the manner of Watteau, with five figures around a table in a garden setting, and a small dog seated upon a stool, the sides and base with sprays of honeysuckle, rose and other flowers on a white ground, the interior cover painted with Perseus rescuing Andromeda from Cetus, with gilt metal mounts, 8.5cm across.

This particular version of Perseus and Andromeda is taken from a print after the painting by François Lemoyne painted in 1723, currently in the Wallace Collection, London, accession number P417.