S.P. Pratt, F.R.S., about 1850. Creator: Maull & Polyblank.
3-044-716 - Heritage Art/Heritage Images
S.P. Pratt, F.R.S., about 1850.
Additional Info: Portrait of S.P. Pratt, seated, holding a rock in his left hand. On the table next to him is a large geological sample and a book.