Nina Hadzhieva is a PhD student in the program “Archaeology incl. Epigraphy and Numismatics” in SWU and a numismatist at RHM-Blagoevgrad. Her research interests are focused on the coin circulation in Southwestern Thrace 6th – 4th century BC, registration, analysis and processing of single and collective coin finds from the valley of Sredna Mesta and Western Rhodopes with fixed GPS coordinates, performing elemental analysis for the composition of coins (authentic and counterfeit), blanks and melts and the integration of information into a database.