Watch List notes:

EGYPT, Alexandria. Julia Mamaea. Augusta, AD 222-235. Potin Tetradrachm (23mm, 13.59 g, 12h). Dated RY 14 of Severus Alexander (AD 234/235). Draped bust right, wearing stephane / Trophy; at base to left and right, bound captive seated inward; L I∆ (date) across field. Köln 2544; Dattari (Savio) 4536: K&G 64.129; Emmett 3229.14 (R3). VF, toned, peripheral roughness. Very rare, especially fully silvered.

From the New Orleans Collection.