Herakles - Maroneia. BEAUTIFUL TRIOBOL. $125.53 in JUly 2001 Contributed by Herakles Numismatics. Thrace Maroneia 398/7 - 386/5 B. C. AR Triobol. 2.760 grams. Obverse: Forepart of horse prancing l. Reverse: Vine branch with grapes in dotted square; all within incuse square. Reference: S-G 271. Very Fine+/Extremely Fine