Marina Doychinova is the chief curator and numismatist in the Department of Archaeology and Numismatics at RHM Sofia. Her research is focused on ancient Thracian, Greek and especially Roman numismatics. She is a PhD student at SWU, Department of History, with a topic dedicated to the distribution of coins and coin treasures in Southwestern Thrace (1st – 3rd century). Her other interests are related to the analysis of the metal composition of ancient coins, modern counterfeits, web technologies applied in numismatics, museums and the database.