https://medievalorthodoxnumismatics.com/cion-directory/byzantine-empire-498-1204/nicephorus-ii-phocas-963-969.html
Directory - Byzantine Empire 498-1204 - Nicephorus II Phocas 963-969
Directory. Nicephorus II Phocas 963-969.
nicephorus ii phocasbyzantine empiredirectory