Philip Carrol Antiques has dated this piece to the 18th Century.
All within a turquoise feather edged rim, the shell picked out in puce, and heightened in gilt.

Gold Anchor mark to the underside. Three spur marks, and factory ground foot rim.
Width – 21 cm, 8 1/4”.
Depth – 17 cm, 6 5/8”.
Condition – Extremely minor wear to the gilt – please see images for detail. No damage. No restoration.
Philip Carrol Antiques has dated this piece to the 18th Century.
Philip carrol antiques was established in 1983
You can view the stock and full dealer information on the Philip Carrol Antiques Profile Page
Philip Carrol Antiques is a registered member of BADA