Tetartemorion Asia Minor

At 0.11 g, this is fractional coinage at its most extreme — a denomination so small that ancient merchants almost certainly handled it by count rather than by feel. These tiny silvers circulated widely across the Aegean economy to facilitate small retail transactions at a time when coined money was still relatively new technology. The issuing city remains unattributed with confidence, a common problem with fifth-century Ionian fractions where dozens of poleis struck near-identical small silver.