Caracalla and Geta, AE of Halikarnassos, Caria in Homonoia with Kos. 197-209 AD. 20.68 g.

Draped busts of Caracalla and Geta facing each other.
...ALIKAR..., Apollo Dalios, holding lyre and plectrum, and Asklepios, leaning on serpent-entwined staff, standing half-facing each other.

SNG Cop. 386; Franke/Nollé 636 (this coin). 

Courtesy of Helios Auction 5, June 2011

caracalla_halikarnassos_SNGCop_386.txt