Andrew Robertson, portrait of an Unknown Man

Andrew Robertson (1777-1845)
Portrait of an unknown man
About 1812-30
Watercolour on ivory
Lower left the watercolour is lifted off to form the date '1830' Inscribed by the artist on the backing paper 'Painted by /A Robertson /33 Gerrard St /Soho', and in another hand '1812'
Museum no. E.2078-2004
Given by William Castell in memory of Peggy and Ted Castell