Koinon of Macedonia, AE27, AD 238–244. 13.13 g.

Obv: ALEXANDROY, Head of Alexander right with long hair
and horn of Ammon.
Rs.: KOINON MAKEDONWN DIC NEW, Hygieia-Olympias seated
left, feeding serpent from a patera, left arm resting 
on the back of the chair. 

AMNG III-I 529.

Courtesy of Staatliche Museen zu Berlin.