Year 9 of Hadrian's reign coincided with his first documented visit to Egypt, almost certainly in 130 AD — though scholarly debate places preparatory administrative changes earlier, during the precise regnal year this tetradrachm represents. The Alexandrian mint operated under Roman prefectural authority but maintained its own dating system, reckoning years from Augustus's seizure of Egypt in 30 BC rather than from any Roman consular calendar. This hybrid bureaucratic identity is exactly why Alexandrian coinage was never legal tender outside Egypt.
Emmett 829.9 places this among the more frequently encountered Hadrianic Alexandrian types, yet silver content in this series had already begun the slow debasement that would accelerate dramatically under later Antonines.
Year 9 of Hadrian's reign coincided with his first documented visit to Egypt, almost certainly in 130 AD — though scholarly debate places preparatory administrative changes earlier, during the precise regnal year this tetradrachm represents. The Alexandrian mint operated under Roman prefectural authority but maintained its own dating system, reckoning years from Augustus's seizure of Egypt in 30 BC rather than from any Roman consular calendar. This hybrid bureaucratic identity is exactly why Alexandrian coinage was never legal tender outside Egypt.
Emmett 829.9 places this among the more frequently encountered Hadrianic Alexandrian types, yet silver content in this series had already begun the slow debasement that would accelerate dramatically under later Antonines.