Watch List notes:

EGYPT. Alexandria. Commodus, 177-192. Tetradrachm (Billon, 22 mm, 10.39 g, 12 h), RY 28 = 186/7. [Μ Α] ΚΟΜ ΑΝΤⲰ ϹЄΒ ЄΥϹЄΒ Laureate head of Commodus to right. Rev. L KH Serapis seated left on throne, holding scepter in his left hand and extending his right over Cerberus at his feet to left. Dattari (Savio) 3886. Emmett 2557.28. K&G 41.94. RPC IV.4 online 14208. Somewhat smoothed, otherwise, nearly very fine.