Caracalla, AE25 of Chalkis, Euboea. AD 197-217. 7.6 g.

M AYR KAIC ANTWNINOC, bare-headed, cuirassed bust right with gorgoneion on chest, slight drapery on left shoulder.
XALKIDEWN, Apollo standing right, holding bow and arrow. 

BCD (Lanz) 302; Picard CVI 1 (this coin); Mionnet Supp IV, 80. 

With permission of Lanz Numismatik, auction 111 (BCD), lot 302, Nov. 2002.