Bibliography

CCCHBulg IX
M. Doychinova, S. Filipova, and N. Hadzhieva (eds), Numismatic Collection of the Regional History Museum of Sofia (Ancient Serdica): Thracian, Macedonian, Greek, Roman Republican, Imperial and Provincial Coins from the 6th Century BC to 5th Century AD, Coin Collections and Coin Hoards from Bulgaria IX (Sofia, 2019)