[CIPHERS]. SYMPSON, Samuel A. (d. 1751). A New Book of Cyphers, More Compleat & Regular than any ever Publish?d. Wherein The whole Alphabet (twice over) Consisting of 600 Cyphers? London: Printed for John Bowles and Son, n.d. [ca. 1750s]. Small 4to. 100 engraved illustrations of ciphers plus an illustration of crowns.?Contemporary full calf, boards double-ruled in gilt (rebacked in near-contemporary calf spine, gilt, burgundy gilt morocco lettering label, binding worn, soiled, text toned, some soiling to edges of text block, previous owner?s signature on title-page). Provenance: bookplate of Irwin Laughlin on front pastedown. EARLY EDITION.