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The only article I could find was this:
From 19 May 1820 - Morning Chronicle - London, London, England
Sales by Auction
Miniatures - By Mr CHRISTIE at his Great Room, Pall-
Mall, on Thursday next, by order of the Executors,
A Valuable Assemblage of high finished MINIA-
TURE PORTRAITS of distinguished Persons of
fashion, by the ingenious artist the late John Wright, Esq. of
??rlington-gardens, deceased; also a few Prints, Drawings, &c.
- May be viewed two days preceding.