There are 11.370 ancient and Islamic coins in the coin collection of Bolu Archeology Museum. 394 Byzantine coins which were recorded in the inventory between 1975Ð2005 have been determined in the study carried out in Bolu Archaeology Museum in September 2008. 11 gold, 2 silver and 381 of these coins are bronze. Byzantine gold coins in museum from the reign of Basileios II, Cosntantine IX, Michael VII, Ioannes III and Michael VIII. In this study information was given on gold coins of emperors in catalogue.