Portrait has been identified as that of General Kingsley and was one of four works by Reynolds in the first British exhibition of contemporary art (1760), through the exhibition of these paintings Reynolds first became known to the public

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783. Photograph by Geremy Butler

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783. Photograph by Geremy Butler

Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783.

Specimen of the Society's Christmas Card. Second painting in the series entitled 'The Progress of Human Knowledge and Culture' by James Barry, 1777-1783

Used to illustrate Studies in the Society's History and Archives on the move to the Adelphi in 1774

Used to illustrate Studies in the Society's History and Archives on the move to the Adelphi in 1774

Image acquired but not used to illustrate lecture text for 'Straight lines and great circles: reweaving the local' by Susan Clifford, held at the RSA, 4/3/1998

Won prize of 15 guineas under section 2, Textiles, prize offered by Messrs W Foxton Ltd