Fine Antique English Porcelain has dated this Derby Porcelain Porter Mug to the Regency era.

Marked with a purple crown over crossed batons and letter D to the base. Gilders / Decorators mark 40
Condition: Very small rim chip and a small amount of wear to the gilding.
Porter is a style of beer that was developed in London in the early 18th century. It is well-hopped and dark in appearance owing to the use of brown malt
Fine Antique English Porcelain has dated this Derby Porcelain Porter Mug to the Regency era.
Jonathan purt is a specialist in fine antique english porcelain
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