Watch List notes:

TURKEY: Osman III, 1754-1757, AR 20 para (11.53g), Kostantiniye, AH1168, KM-261, NP-599, initial #3, few surface stains, much original luster, superb bold strike, Unc, RRR. Extremely rare denomination for this reign. A similar example solid in the Künker Auction 210, Lot 1126, for €4400 (then about $5550).

Estimate: 2,000- 2,500 USD