Caligula, AE15 of Smyrna, Ionia. AD 37-41. 1.78 g.

GAION KAICARA, radiate head right, star behind head.
ZMYR-NAIwN (ZMYR upside down below), crab seen from above. 

Klose XXVII 17-20; RPC 2474: BMC 279-280; Paris 2464; Prowe III 1035; Hermitage 15641; Rhousopoulos 3792; Weber 6166; SNG Cop 1347.

With permission of Nomos obolos 16, lot 991, Oct. 2020.