Watch List notes:

THE ORDER OF ST. JOHN AT RHODES. ANTONIO FLUVIAN, 1421-1437. Ducat of Venetian type. St. John gives the banner of the order to the kneeling Grand Master who wears a cross on his left shoulder, F. ANT. FLVVIA. / .S I BATIS / MRO Rv. Chr.ist in mandorla, SIT T. XPE. DAT. Q. TV. - REGIS ISTE DVCAT. 3.53 g. Metc. -, Schlumb. -, Furse -, Kasdagli R 10/1 var., Coll. Slocum -.
Extremely fine

Ex Classical Numismatic Group, Lancaster, PA, Auction 20, 25. 3. 1992, Nr. 1135, and ex LHS Numismatik AG, Zürich, Auktion 103, 5. 5. 2009, Nr. 365.