Gill Coe Antiques & Interiors has dated this piece to the 18th Century.
Christian Friedrich Zincke was born in Dresden to a family of goldsmiths.
For a period of time he worked alongside his previous master Boit, but soon began his own studio.

From 1714, Boit having fled England to escape his creditors, Zincke became England’s finest and most sought-after enamellist. His output was prolific and although his eyesight began to deteriorate during the 1720s, he was made enamel painter to George II in 1732, which increased his patronage further.[1] Unlike other enamellists many of his portraits were made ad vivum, although he was not averse to flattering his sitters at their request.[2]

It is quite possible, given the volume of commissions and subsequent output from Zincke, that he was in fact running a studio and employing artists working under the ‘Zincke’ brand, although there is no documentary...
Gill Coe Antiques & Interiors has dated this piece to the 18th Century.
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