TORBATOV, Sergey. “LEAD TRADE SEALINGS FROM ANCHIALUS”. Numismatics, Sigillography and Epigraphy | Нумизматика, сфрагистика и епиграфика 21 (December 16, 2025): 187–211. Accessed June 14, 2026. https://publications.naim.bg/index.php/NSE/article/view/570.