Reverse head can be viewed with image facing left or right.
The image facing left is of James Burnett, Lord Monboddo (1714?-1799) Scottish Judge. Some credit him with anticipating the principles of natural selection in evolution.
Etching by John Kay dated 1790, published in A Series of Original Portraits and Caricature Etchings by the late John Kay, miniature Painter, Edinburgh. Hugh Paton, Carver & Gilder, Edinburgh. 1838.