THRACE, Serdica. Caracalla. 198-217 AD. 29mm (15.49 gm). AVT K M AVP CEVH ANTNEIN-OC CEB, laureate head right / Herakles and the Lernaean hydra: OVLPIA CEPIKHC, Herakles standing right, nude, holding club with his right hand over his shoulder and preparing to strike Hydra. Ref added later: Varbanov Eng. 2342 (this coin) Extremely rare. ($600) From the David Simpson Collection. Ex Numismatik Lanz Auktion 86 (18 May 1998), lot 57. Triton V Sale, 16 Jan 2002, lot 1704. Lot sold for $725, plus buyers fees. By permission of CNG, www.cngcoins.com.