PER AES ET LIBRAM

per aes et libram (p<<schwa>>r ees et lI-br<<schwa>>m). [Latin] Roman law. By bronze (or copper) and scales. • The phrase typically referred to the fictitious sale in a mancipation during which the purchaser struck the scales with a piece of bronze or copper and then gave it to the seller as a symbol of the price. See MANCIPATION.

[Blacks Law 8th]