Watch List notes:

EGYPT, Alexandria. Philip I. AD 244-249. Potin Tetradrachm (24mm, 12.58 g, 11h). Dated RY 4 (AD 246/7). Laureate, draped, and cuirassed bust right, seen from behind / Alexandria standing left, holding bust of Serapis and long scepter; L Δ (date) across fields. Köln 2726; Dattari (Savio) 4857 var.; K&G 74.54; RPC VIII Online 2923; Emmett 3469.4. Dark brown patina, edge splits. VF.

From the Rocky Mountain Collection of Alexandrian Coins.