Stoyanova, Polina, and Marina Doychinova-Ilchev. 2025. “A Hoard of Protomiliarenses (?) of Constantine I With Crispus and Constantine II Caesars Found Near the Northern Fortress Wall of Serdica”. Bulgarian Numismatic Journal 1 (December):241-76. https://doi.org/10.5281/zenodo.18078268.