Watch List notes:

EGYPT, Alexandria. Tranquillina. Augusta, AD 241-244. Potin Tetradrachm (23mm, 14.88 g, 12h). Dated RY 7 of Gordian III (AD 243/4). Draped bust right, wearing stephane / Radiate and draped bust right of Helios; L Z (date) across field. Köln –; Dattari (Savio) 10308; K&G –; Milne 3467 = Emmett 3447.7 (R5). EF, dark gray-brown surfaces, edge split. Rare.

From the Hermanubis Collection.