Byzantine Empire. Phocas (AD 602-610). Tremissis Konstantinopel 602–610 AD VICTORI FOCAS AVG / CONOB, Kreuz (Cross potent) #Byzantine Empire #byzantine numismatics #constantinople #cross potent #early medieval #gold coin #phocas #Tremissis
Byzantine Empire. John III Doukas Vatatzes (AD 1221/2-1254). Hyperpyron #13th century #Byzantine Empire #byzantine numismatics #empire of nicaea #gold coin #hyperpyron #john iii vatatzes #medieval coinage
