Reference

Rhodian standard was later notably used in the transition to Phoenician weight by the Ptolemaic Kingdom as it abandoned the Attic weight in favor of its own ...

... adopted the 'C.hian' weight standard, based on a tetradrachm of about r5.3 g. and so called because it is first attested in slightly heavier (c.

The tetradrachm was the primary denomination until the later 4th century, when the didrachm became preeminent. Both of these denominations were supplemented by ...