The coinage of Maroneia often displayed grapes because the city was one of the most famous wine-producing centers in the ancient Greek world. The grape vine imagery served as both a civic symbol and commercial advertisement, promoting Maroneia's most valuable export product. Wine from Maroneia was celebrated throughout the Mediterranean for its exceptional quality and strength. It was even mentioned in Homer's Odyssey as the potent wine that Odysseus used to intoxicate the Cyclops Polyphemus. The grape motif also had religious significance, as Maroneia claimed a special connection to Dionysus, the god of wine. According to local tradition, Dionysus himself founded the city and taught its inhabitants the art of viticulture. By placing grapes so prominently on their coinage, the Maroneans were declaring their identity as a wine city, establishing their brand in international trade, and honoring their divine patron.