Caligula, AE19 of Philadelphia, Lydia. 37-41. Magistrate Gaius Julius Diodotos. GAIOS KAISAR, bare head right. FILADELFEWN GAIOS IOYLIOS DIODOTOS, laureate, draped, jugate busts of the Dioskuri right. RPC 3020; Paris 969; Waddington 5137; Vienna 19670; Winterthur 3850. Courtesy of the Bibliotheque Nationale, Paris, gallica.bnf.fr.