EGYPT. Alexandria. Salonina, Augusta, 254-268. Tetradrachm (Potin, 20 mm, 10.22 g, 12 h), RY 15 of Gallienus = 267/8. ΚΟΡΝΗΛΙΑ CΑΛⲰΝЄΙΝΑ CЄΒ Diademed and draped bust of Salonina to right. Rev. L I-Є Serapis seated left on throne surmounted by Nike, holding scepter in his left hand and extending his right over Cerberus at his feet to left; to right, palm frond. Dattari (Savio) 5339. Emmett 3863.15. K&G 91.56. Very rare. Struck from somewhat worn dies, otherwise, very fine.