Z, the twenty-third and last letter of the Latin alphabet, being reintroduced from the Greek alphabet in the time of Cicero for the transliteration of Greek words. (Isaac Taylor, The Alphabet, vol. ii., pp. 142 - 144.) The letter Z may be found on the denarii of the Quinctia and Poblicia gentes (Mommsen, Mon. Rom., vol. ii., p. 177; p. 378, No. 186; p. 466, No. 255.) [See Y.]
Z, as a differential letter - 7 - SISC. P. Z. Sisciæ Pecunia or Percussa 7; S. M. A. Z. Signata Moneta Antiochiae 7, etc.