Can anyone identify this set?

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Avatar of clux300
I was online and saw an episode of the Cathrine Tate show called posh people nightmare. And noticed there was a beautiful chess set on the table. It has all of the style of French regency except the style of the king and queen was unlike anything I’ve ever seen. Does anyone who collects historic pieces know what version/set this is?
Avatar of clux300
Unknown set
Avatar of WandelKoningin

I believe it’s a Diderot set. Fascinating how it looks a bit like a cross between Regency and St. George.