Argyramoiboi
Argyramoiboi (Ancient Greek: ἀργυραμοιβοί, "silver changers") were professional money-changers and assayers in ancient Greece (especially in the Athenian Agora) and the Byzantine Empire.
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Wikipedia
Argyramoiboi (Ancient Greek: ἀργυραμοιβοί, "silver changers") were professional money-changers and assayers in ancient Greece (especially in the Athenian Agora) and the Byzantine Empire.