"Portrait; half-length in profile to left, holding a scroll in his left hand; wearing a dark coat, jaw-length white wig and tricorn; in an oval."--British Museum online catalogue
Title from item., Numbered '323' on lower right corner., and Plate from: Series of original portraits and caricature etchings / by the late John Kay. Edinburgh : Adam and Charles Black, 1877, v. ii, no. 323.
Title from item., Probably from: Kay, J. Series of original portraits and caricature etchings by the late John Kay. Edinburgh : Adam and Charles Black, 1877, volume i., and Temporary local subject terms: Rev. Joseph Robertson Macgregor.