Crusaders, Mytilene (Lordship). Francesco I Gattilusio, AD 1355-1384. Bl, Denaro. 1.04 g. 16.45 mm.
Obv: Castle Tournois.
Rev: Palaeologan tetragrammatic cross. Palaeologan cross formed by B's and retrograde B's.
Ref: Lunardi G21.
Very Fine.
Showing the Byzantine Emperor's tetragrammatic cross as a sign of his vassal status.