Watch List notes:

EGYPT, Alexandria. Severus Alexander, with Julia Mamaea. AD 222-235. Potin Tetradrachm (25mm, 12.51 g, 12h). Rome mint. Dated RY 4 (AD 224/225). Laureate, draped, and cuirassed bust right of Severus Alexander / Draped bust right of Julia Mamaea, wearing stephane; L TЄTAPΤ (date) MAMЄA CЄB around. Köln 2424; Dattari (Savio) 4251; K&G 62.50; Emmett 3113.4. Near EF, attractive gray-brown surfaces.

From the Hermanubis Collection.