Year 13 of Trajan's reign corresponds to a period of active Alexandrian mint production ahead of the Dacian War's conclusion, though the Alexandrian bronze series operated on a distinctly Egyptian regnal calendar entirely separate from Roman consular dating. The mint at Alexandria ran its own numbered year sequence, making these issues traceable to specific Egyptian administrative years in ways that most provincial bronzes are not.
The III#4416.3 reference places this within Dattari-Savio's exhaustive corpus of Alexandrian coinage — the foundational catalog for this series, compiled from Dattari's personal collection assembled in Cairo over decades of late 19th-century fieldwork.
Year 13 of Trajan's reign corresponds to a period of active Alexandrian mint production ahead of the Dacian War's conclusion, though the Alexandrian bronze series operated on a distinctly Egyptian regnal calendar entirely separate from Roman consular dating. The mint at Alexandria ran its own numbered year sequence, making these issues traceable to specific Egyptian administrative years in ways that most provincial bronzes are not.
The III#4416.3 reference places this within Dattari-Savio's exhaustive corpus of Alexandrian coinage — the foundational catalog for this series, compiled from Dattari's personal collection assembled in Cairo over decades of late 19th-century fieldwork.