Imperial Billion of Alexandria Issued by Probus

281-282

3/4 in. (diameter) x 1/8 in. (1.9 cm x 0.3 cm)

This object has the following keywords:

• billon - An alloy of silver mixed with an equal or greater amount of a base metal, usually copper. Alloy of gold or silver with a majority admixture of base metal, often copper or tin.
• Egyptian - Refers to the styles and culture that developed in antiquity in the Nile Valley in the area of modern-day Egypt and southwards. For the cultures and styles of the modern nation of Egypt, use "Egypt (modern)."
• Imperial - Refers to the period in history and the style of art that developed when the Roman Republic ceased to exist and Rome expanded its territory and was ruled by emperors. The period is generally considered to begin with Octavian's victory at the Battle of Actium in 31 BCE, and to last through the rule of the Severans. For later emperors, see "Late Antique." For the period and culture of the Holy Roman Empire, use "Holy Roman Imperial." Note that some classifications include the Tetrarchic, Constantinian, and the Holy Roman Empire in the "Roman Empire."