The Preslav Treasure was found in autumn of 1978 at the vineyard in Castana, 3 km to the north - west of the second Bulgarian capital – Veliki Preslav. The excavations that followed revealed more than 170 golden, silver and bronze objects including 15 silver Byzantine coins belonging to Constantine VII,[2][3] Romanos II (945 and 959) and other artifacts dating far back to the period between 3 rd and 7 th centuries.[4][5]