Caracalla. 198-217 AD. AE 19, 3.46g. Serdica. 

Obv: AVT K M AV CEV ANTWNINOC, laureate head right
Rev: CERDWN, Infant Herakles kneeling right on left knee, 
strangling a serpent with each hand. 

Rare reverse type, perhaps struck from just this single reverse die. 
Varbanov 2097 (this coin); Hristova/Jelov, Serdica, p. 87;
Ruzicka 391.

Apple-green patina. VF.
Ex Dr. Stephen Gerson Collection.

According to H. Voegtli, Heldenepen, p. 71, this scene was 
also depicted on provincial bronze coins of Heracleia, 
Keretape, Prusa, and Tripolis.

Gemini Numismatic Auction #6, January 10, 2010, lot 633