Zeno‘s monogram 5 appears on issues from Constantinople and Antioch, but the style of the portrait and shape of the monogram in Co 369 most closely resembles the Antiochene products; see e.g. RIC X, pl. 33.
“Co 376 (Late Roman bronze coin of Zeno from Antioch).” In Kenchreai Archaeological Archive, edited by J.L. Rife and S. Heath. The American Excavations at Kenchreai, 2013-2024. <http://kenchreai.org/ke/co0376>