Watch List notes:

TURKEY: Mustafa IV, 1807-1808, AV sultani (3.18g), Kostantiniye, AH1222 year 1, KM-546, lustrous Unc. Under Mustafa IV, the weight standard of the sultani was reduced from about 3.48g to 3.20g, preserved only by the ¼ sultani under Mahmud II.

Estimate: 240-300 USD