TURKEY: Mustafa III, 1757-1774, AV 2½ altin (8.91g), Islambul, AH1171 year 9, KM-350, pierced, 2 dings on reverse, bold strike, EF, ex Ahmed Sultan Collection. The denomination has been corrected by Damali, who reports year 7, 8, 9, and 11 for this denomination.
Estimate: 425-500 USD