Watch List notes:

ARGOLIS. Epidauros. Septimius Severus, 193-211. Diassarion (Bronze, 25 mm, 7.01 g, 5 h). ...CE ΠΕΡΤ Laureate, draped and cuirassed bust of Septimius Severus to right. Rev. [ΙΕΡΑC] ΕΠΙΔ - ΑΥΡΟΥ Poseidon standing to left, holding dolphin in his right hand and a trident with his left. BCD Peloponnesos 1275 (this coin). NCP L, viii = BMC 31 (same reverse but of Caracalla). Very rare. Rough surfaces, otherwise, about very fine.
From the Maleatas Collection, and the BCD Collection, LHS 96, 8 May 2006, 1275.