Bithynia, Prusa ad Olympum AE (Bronze, 7.16g, 23mm) Otacilia Severa (244-249 AD)
Obv:Μ ΟΤΑΚΙΛ ϹƐΟΥΗΡΑ ΑΥ. Diademed and draped bust of Otacilia Severa, r.
Rev: ΠΡΟΥⳞΑΕΩΝ. Poseidon standing r., holding dolphin and trident, l. foot on prow
Ref: RPC VIII, — (unassigned; ID 19779).