Watch List notes:

EGYPT, Alexandria. Elagabalus. AD 218-222. Potin Tetradrachm (23.5mm, 11.60 g, 12h). Dated RY 3 (AD 219/220). Laureate head right / Elagabalus on horseback right, holding scepter and raising hand; L Γ (date) to lower right. Köln 2318; Dattari (Savio) 4095; K&G 56.26; Emmett 2927.3 (R4). Gray surfaces with traces of verdigris and silvering. VF. Rare type for this regnal year.

From the Stein A. Evensen Collection. Ex Classical Numismatic Group Electronic Auction 174 (10 October 2007), lot 172.