Noun
Alt. of Tetradrachma
Source: Webster's dictionaryConflict with Sextus Antony and Octavia on the obverse of a tetradrachm issued at Ephesus in 39 BC. Source: Internet
The 5th century BC Athenian tetradrachm ("four drachmae") coin was perhaps the most widely used coin in the Greek world prior to the time of Alexander the Great (along with the Corinthian stater ). Source: Internet