The Gavalades governed Rhodes from 1204 until 1250 as independent rulers and they had the right to mint coins. On the picture, coins of Leo Gavalas (1204-1240).
Tzamalis, P. A., Ta nomismata tis Fragkokratias 1184-1586, Noummio publications, Athens 1981, p. 133, phot. 109.
Athens, Private collection