Representing the multiple of eight Drachms (q.v.), was a coin struck not regularly, but occasionally in Thrace, Macedonia, and more generally at Sidon in Phoenicia. The Octadrachm of gold (also known by the term Muaieion, q.v.) was struck by the Seleucid and Ptolemaic kings.
Source: Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)