Galatia, Ankyra, Caracalla, unpublished?

Caracalla, AD 198-217
AE - AE 30, 15.72g, 29.83mm, 195°
obv. ANTWNINOC - AVGOVCTO - C
bearded head, laureate, r.
rev. MHTROPOLE - WC ANKYRAC
in l. field one below the other IE / RO / C
in r. field one below the other AG / W / N
athlete, nude, stg. frontal, head r., holding in l. arm long bended rod and with r. hand crowns himself with
price-crown; in l. field palmbranch
ref. not in BMC, SNG France 3, Klose, Stumpf, Sport Spiele Sieg; unpublished?
very rare, VF+, black-green patina

In the times of Caracalla the games called Asklepieia Sotereia Pythia, games in honour of Asklepios, took place in Ankyra. Because Caracalla suffered of serious sickness he visited these games. May be that this coin mentions games in honour of Asklepios too.