440 B.C. Ancient Greek Silver Tetradrachm Coin of Athens, Athenian Owl Design, NGC AU Silver with a pellet and palm

with a pellet and palm branch in opposite quarters

until it was ultimately replaced by the Washington quarter design in 1932

Obverse: CONSTANTINVS AVG Laureate head of Constantine I to right

Mars was the Roman god of war

and has an 'A' mintmark

440 B.C. Ancient Greek Silver Tetradrachm Coin of Athens, Athenian Owl Design, NGC AU Silver with a pellet and palmA silver tetradrachm from Ancient Greece, from the Greek city state of Attica (Athens). This coin was produced between 440 404 B. C. and features the iconic Athenian Owl design, one of the most famous designs of ancient coins. The coin measures 24mm in diameter, about the size of a quarter. The obverse side of the coin features the portrait of Athena, the Greek goddess of wisdom, while the reverse features an owl, a bird associated with Athena. The