Watch List notes:

EGYPT, Alexandria. Julia Mamaea. Augusta, AD 222-235. Potin Tetradrachm (23mm, 12.22 g, 12h). Dated RY 12 of Severus Alexander (AD 232/233). Draped bust right, wearing stephane / Draped bust of Alexandria right, wearing turreted cap; L IB (date) behind, palm frond before. Köln 3486; Dattari (Savio) 4457 var. (obv. legend); K&G 64.84; Emmett 3189.12 (R5 = Köln 3486). Dark gray-brown surfaces, a few minor pits. VF. Extremety rare, only two in CoinArchives.

From the Judy Day Frink Collection.