ink ern es ▁John ▁Kant ak ou zen os , ▁recovered ▁the ▁island ▁in ▁a ▁campaign ▁that ▁probably ▁last ed ▁until ▁ 1 2 5 0 . ▁After ▁ 1 2 5 0 , ▁Gab al as ▁family ▁rule ▁over ▁Rh odes ▁was ▁terminated ▁formally ▁as ▁well ▁as ▁de ▁fact o , ▁and ▁the ▁island ▁became ▁a ▁N ica e an ▁province . ▁ ▁Co in age ▁The ▁Gab al as ▁brothers ▁issued ▁their ▁own ▁co pper ▁coin age , ▁of ▁unknown ▁value ▁or ▁den om ination . ▁They ▁were ▁an icon ic , ▁and ▁contained ▁only ▁ins cri ptions , ▁John ' s ▁co ins ▁bearing ▁his ▁name ▁and ▁title : ▁+ Ι W [ Α Ν Ν Η C ] ▁ Ο ▁ Γ Α Β Α Λ Α C ▁(" John ▁Gab al as ") ▁on ▁the ▁ob verse , ▁and ▁ Ο ▁ Α V Θ Ε Ν Τ Η C ▁ Τ Η C ▁ Ρ Ο Δ Ο V ▁(" The ▁Master ▁of ▁Rh odes ") ▁on ▁the ▁reverse . ▁As ▁Alex is ▁Sav v ides ▁points ▁out , ▁the ▁om ission ▁of ▁the ▁formula ▁ Ο ▁ Δ Ο V Λ Ο C ▁ Τ Ο V ▁ Β Α C Ι Λ Ε [ Ω C ] ▁(" Serv ant ▁of ▁the ▁Emperor "), ▁that ▁appeared ▁on ▁the ▁co ins ▁of ▁Leo , ▁is ▁remarkable , ▁for ▁in ▁reality ▁John ' s ▁position ▁vis - a - vis ▁the ▁N ica e an ▁em peror