OTTOMAN EMPIRE: Mehmet II, 1451-1481, AV sultani (3.53g), Kostantiniye, AH883, A-1306, the second year of the first Ottoman gold coinage, produced only at the capital mint, Kostantiniye (Istanbul), gorgeous strike, EF, R. The sultani denomination is also known as funduk, findik, altin, bunduqi, zecchino, etc.
Estimate: 1,500-2,000 USD