Portrait of a woman traditionally identified as Sarah Siddons, bust-length, in profile to the left

Sir Thomas Lawrence, P.R.A. (1769-1830) Portrait of a woman traditionally identified as Sarah Siddons, bust-length, in profile to the left signed, inscribed and dated 'To be kept dry and no[t]/hung in the Sun./Bath 19th Jany 1784/Lawrence.../Oct. 14-' (on the reverse) and with a further indistinct inscription (on the reverse) pastel, oval 11¾ x 9¾ in. (29.8 x 24.7 cm.)