silver
銀 — Measuring
More plentiful than gold, and suited to everyday money.
Incuse stater of Metapontum6th century BC
Bent-bar silver5th century BCE – 2nd century CE
Karshapana (punch-marked silver coin)400–300 BC
⚠ For most of history, what people actually handled was silver. Gold only took the leading role for a brief period in the latter half of the nineteenth century.