Obol

The Thraco-Macedonian region in the fourth century BC was home to dozens of small autonomous communities, many of which struck their own silver coinage during brief windows of political independence before absorption into the expanding Macedonian kingdom under Philip II. Attributing these minor fractional pieces remains genuinely difficult — the issuing authority here is unknown, and scholarly consensus has not settled the question.

At under a gram of silver, this obol circulated as the smallest practical unit in daily transactions.