A Louis XVI gold and enamel box

A Louis XVI gold and enamel box,

maker's mark of Joseph-Etienne Blerzy, with charge mark of Jean-Baptiste Fouache, the date letter P for 1778/9, the rim with the discharge mark for Henry Clavel,

circular form, with opaque and opalescent pink enamel on the lid, base and sides, painted to simulate moss agate, bordered with red enamel and strings of white enamel 'pearls', with a later Garrard & Co. box, diameter 4.8cm, weight 54gms.