SOTHEBY, Samuel and Samuel Leigh. Principia Typographica. London: Walter McDowall, 1858. 3 vols. bound in 1. 2o. Numerous facsimile plates (some foxing). Contemporary half-green morocco gilt and marbled boards, t.e.g. (rubbed). LIMITED EDITION of less than 250 copies. INSCRIBED "S. Leigh Sotheby." Provenance: C.E. Stewart and Otto Orren Fisher (bookplates). -- ASTLE, Thomas. The Origin and Progress of Writing as well Hieroglyphic as Elementary. London: J. White, 1803. 2o. Engraved portrait frontispiece, numerous facsimile plates (some foxing). Calf-backed marbled boards, rebound with portions of original spine laid-down, modern red morocco spine label (chipped, rubbed). (2)