Attica, Athens, Athena and Owl

Attica, Athens, 449-413 BC, silver tetradrachm, 21 mm, 16.88 g.
O: Head of Athena to right, the eye seen in facing, archaic style, banker's mark on cheek.
R: Owl standing to right, head facing; to right A-theta-E; to left, olive twig and crescent, all within incuse square, two test cuts and crescent banker's mark in field.

This was the first true "silver dollar" of the ancient world, the coins manufactured in Athens circulated wherever the Greeks travelled. Furthermore, similar coins were struck at a number of Eastern mints, and this may be one of them.

Dark toning with beautiful dark blue highlights.