The novels Toga in the Wind and Toga in Time are about a young Alexander the Alabarch who was the epitropos for Antonia Minor the niece of Augustus and daughter of Marcus Antony. The Greek word epitropos would possibly translate into Latin as procurator which meant that Alexander had administrative oversight of Antonia Minor's extensive properties in Egypt in the early first century, especially around Lake Moeris in the Arsinoite Nome.
Alexander was also the "alabarch" which was defined in Emperor Justinian's Edict XI as the Roman administrator in charge of obrussa (Latin) or assaying Egypt's imperial gold by testing it through fire. By the Roman period, gold nuggets were long mined out and all new gold came from obtaining gold powder through crushing quartz veins. Gold powder has to be melted and purified of inclusions to be assayed.