the struck Roman sexantal as, theoretically of about 54 grams. An even more remarkable issue from a metrological point of view is one that I interpret as a dual-denominated decimal/uncial series, overstruck on earlier post semi-libral bronzes, while a similar, but slightly lighter issue seems tariffed /X or 11 centismae, both dateable to about 200 BC. References Literature AA. VV.: Convegni del Centro Internazionale di Studi Numismatici di Napoli: "Contributi introduttivi allo studio della monetazione etrusca. Atti del V Convegno, Napoli 1975", Istituto italiano di numismatica, Roma, 1977 Alberto Campana: CNIA (Corpus Nummorum Italiæ Antiquæ) published in review Panorama Numismatico Keith N. Rutter. Greek coinages of Southern Italy and Sicily. London, Spink, 1997. Sara Sorda: I ripostigli di bronzo protostorici dell'Italia centrale, in AA.VV.: "Atti del V convegno". Thompson M., Mørkholm O., Kray C. M. (eds.): An Inventory of Greek Coins Hoards (IGCH), New York, 1973 Italo Vecchi: Etruscan Coinage. Part 1. A corpus of the coinage of the Rasna, together with an historical and economic commentary on the issues (gold, silver and bronze) from the mints of Cosa, Luca (?), Pisae (?), Populonia, Uncertain Central Italy, Vetulonia, Volsinii (?), Vulci (?) and unidentified mints, from 5th to 3rd centuries BC; Milano 2012, Italo Vecchi, Italian Cast Coinage. A descriptive catalogue of the cast coinage of Rome and Italy. London LAC 2013. Hard bound in quarto format, 84 pages, 92 plates. More texts James Millingen: Considérations sur la Numismatique de l'ancienne Italie. Firenze, 1841, (supplementi nel 1844). Francesco Carelli: Numorum Italiae veteris Tabulae CCII, ed. Cavedoni, 1850. Luigi Sambon: Recherches sur les monnaies de la presquíle italique depuis leur origine jusqu' a la bataille d'Actium. Napoli, 1870. Wilhelm Deecke: Etruskische Forschungen, Heft II. 1876. Raffaele Garrucci: Le monete dell'Italia antica. Monete fuse, monete coniate. Roma, 1885. (ne esiste una ristampa anastatica: ). Theodor Mommsen: Die Geschichte des römische Münzwesen - Berlin 1860. Tr. fr.: Histoire de la monnaie romain. Paris 1865. (Reprint Graz 1956. Reprint Forni 1990) Heinrich Dressel: Zeitschrift für Numismatik, xiv, 1887. Robert Seymour Conway, Italian Dialects. Cambridge, 1897. Ernst Justus Haeberlin, Die Systematik des ältesten römischen Münzwesens. Berlin, 1905. Ernst Justus Haeberlin, Die jüngste etruskische und die älteste römiche Goldprägung, Z. f. N., xxvi. 229 ff. Kurt Regling, Zum älteren römischen und italischen Münzwesen. Klio, Bd. vi, Heft 3, 1906. Italo Vecchi, Italian Cast Coinage. A descriptive catalogue of the cast coinage of Rome and Italy. London