Caligula AE21 of Miletus, Ionia. AD 37-41. 5.33 g.

GAIOS KAISAR GERMANIKOS SEBASTOS, laureate head right, star in right field.
MILHSIWN DIDYMEYS, Apollo Didymeus standing right, holding bow and stag.

RPC I 2703; Paris 1857.

With permission of Numismatik Naumann auction 72, Lot 295, Dec 2018.