A. Burnett, M. Amandry, and P. P. Ripollès (RPC I.1, p. 269): “a date in the Triumviral period, under Antony, appears likely” [sc. rather than early 1st century BCE or Early Imperial].
“Co 207 (Late Hellenistic bronze coin of Euboean Chalcis).” In Kenchreai Archaeological Archive, edited by J.L. Rife and S. Heath. The American Excavations at Kenchreai, 2013-2024. <http://kenchreai.org/ke/co0207>