Watch List notes:

LORDSHIP OF MYTILENE (LESBOS). DORINO GATTILUSIO, 1428-1449. Ducat of Old Phocea of Venetian type. DORINVS. GATILVX. / D.FOLIE / VX Rv. Chr.ist in mandorla, a pellet between his feet, SIT. T. XPE DAT. Q. TV - REGIS. ISTE. DVCAT. 3.49 g. Lunardi D3e var., Ives XII, 4. Well made, attractive coin.
Extremely fine

Ex Auctiones AG, Basel, Auktion 18, 21. 9. 1989, lot 400.