Very rare AE11 chalkous, Mithradates IV (c.140 CE), Parthian Empire

Bearded, diademed bust of king left, wearing a tiara with an ear-flap, the tiara is decorated with dots // Horned sea monster left (ram or goat?) reclining left, A above. 11mm, 1.35 grams. Uncertain mint. Sellwood 82.5

Very rare type. Listed in Sellwood with the goat reclining right, not left.

Personal collection, Ex Malter Galleries.