Fine Antique English Porcelain has dated this Georgian Herculaneum Porcelain Plate to the Georgian era.
This piece is unmarked and there is no pattern number but pieces from the same service are known to be marked with pattern number 899.

For further information see Peter Hyland’s book- ‘The Herculaneum Pottery, Liverpool’s Forgotten Glory’ plate 150 for a tureen from this service, plate 156 for a garniture of vases with painting by the same hand.
Condition: Excellent
Fine Antique English Porcelain has dated this Georgian Herculaneum Porcelain Plate to the Georgian era.
Jonathan purt is a specialist in fine antique english porcelain
You can view the stock and full dealer information on the Fine Antique English Porcelain Profile Page