Prof. Dr. Vladimir Penchev
corresponding member of the German Archaeological Institute, chief curator of the National Historical MuseumIn 1987, he defended his thesis on the topic "Typological and chronological classification of the Bulgarian medieval coinage"
In 1996, elected as senior research associate II degree (associate professor)
Main issues it works on:
-Identification and classification of the Bulgarian medieval coins
-Circulation of Bulgarian medieval coins
-Circulation of Byzantine coins in the Bulgarian lands (XNUMXth – XNUMXth centuries)
-Circulation of foreign coins in Bulgarian lands during the period of Ottoman rule (XV – XIX centuries)