Marcus Aurelius, as Caesar, AE26 of Nicaea, Bithynia. AD 139-161, 10.2 g.

M AYRHLION KAICAR, bare head right.
IPPARXOC NIKAIEWN, The astronomer Hipparchus seated left on cippus, right hand on his knee, globe on column to left.

wwxls 27049; Demos 7, 388; RPC IV temp 17402.

With permission of Demos Auction 7, lot 388, Jan 2022 on biddr.com