Attic weight, or the Attic standard, was a monetary standard used during the Hellenistic period. It was also known as Euboic standard. After Alexander the Great, other Greek monetary standards, except the Rhodian standard, were abandoned in favor of the Attic standard.
Philip II of Macedon adopted Attic standard for his kingdom. Alexander the Great also endorsed the Attic standard during his reign. Macedonian Empire's adoption of the Attic weight brought demise to all other Greek weight standards except for the Rhodian standard. Rhodians had the advantage of having a well-developed commercial sphere in areas such as grain trade with Egypt.
During the 300 years of the Hellenistic period the Attic weight underwent several changes. By the time of Alexander the Great, a common trade coin known as a tetradrachm weighted 17.28 grams of silver. In 300 BC the weight of Attic standard stood at slightly reduced weight of 17.20 grams of silver. The Seleucid mint at Antioch shows a continuing process of declining weight. Other mints seem to have followed this decline.
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