Athena Tetradrachm
Obv: Head of Athena, right, in a plumed helmet. Struck: c.450 bc

Mint: Athens Diameter:21x25mm Weight:17.26g
Die Axis:10:00

Rev: Owl standing right, head facing. To left, olive twig and crescent, to right AQE. All within incuse square.
Sear GC&TV, 2519-21, 26, Svoronos, pl. 10
Mark Lehman Collection
It was likely struck to pay for the Peloponnesian War, or for the construction of the Parthenon - how much more or our collective Classical history could be packed into a single, small, nearly aneigraphic package?