FrolovaFrolova, N. The Coinage of the Kingdom of Bosporus AD 69 - 238. BAR International Series 56. (Oxford, 1979). Frolova, N. The Coinage of the Kingdom of Bosporus AD 242–341/342. (Oxford, 1983). | FrolovaFrolova, N. The Coinage of the Kingdom of Bosporus AD 69 - 238. BAR 56. (Oxford, 1979). Frolova, N. The Coinage of the Kingdom of Bosporus AD 242–341/342. BAR 166. (Oxford, 1983). Also see: |