THRACE, Perinthus. Alliance issue with Philadelphia, Lydia. Septimius Severus. AD 193-211. AE41mm Medallion (43.63 gm). 

AV K L CEPTI CEVEPOC PE, laureate, draped and cuirassed bust 
right.
FILADELFEIA PERIN[QIWN], NEWKORWN in exergue, Herakles standing left, head right, holding lionskin draped over left arm, holding apples in left hand and resting club on ground with right; behind, tree with coiled body of the dead serpent Ladon dead coiled around it, and a Hesperide. 

Schönert, Perinthos 2; Voegtli 7i, 13m; Cornell 94 (this coin).
Mabbot Collection (Shulman, 6-11 June 1969), lot 492 and 
Lanz Auktion 58 (21 November 1991), lot 685 for two examples from
the same dies. 
Extremely rare. 
Ex Sothebys auction (Brand Collection, pt. 7), lot 343, 25 October 1984), lot 343; and Egger Auktion XLV (12 November 1913), lot 456.

With permission of cngcoins.com, auction Triton V Sale, lot 1699, Jan 2002.