Watch List notes:

EGYPT. Alexandria. Commodus, 177-192. Tetradrachm (Billon, 24.0 mm, 7.62 g, 12 h), year 23 = 182-183. M AYP KOMMO ANTΩΝΙΝΟC CE Laureate head of Commodus to right. Rev. L K-Γ Head of Ammon to right, crowned with disk. Dattari (Savio) 3949. Geissen -. K&G 41.33. RPC IV.4 Online temp. 16300. Dark green patina. Very fine.
From the collection of Jean-Pierre Righetti.