Gold stickpin with an agate and enamel bust. - France or Germany18th century

A gold stickpin surmounted with an agate and enamel bust set with rubies and garnets.

French or German, second half of the 18th century.

The bust measures 2.6 x 1.6 x 1.2cm, the stickpin measures 9cm long in total.

The enamel has been extensively restored.