[HOGARTH, William (1697?1764)]. Pair of engravings. Including: Martin Folkes Esqr. London, ca. 1750. A lifetime impression of the mathematician, numismatist, astronomer and English antiquary, Martin Folkes. Painted and etched by Hogarth. ?? William Hogarth. London: J. & J. Boydell, 1795. A self portrait painted by the artist and engraved by Benjamin Smith. ?? Each handsomely framed and matted, overall size 27 ? x 21 ??, generally fine impressions.