Watch List notes:

(g) Turkey, Ottoman Dynasty, Mahmud II (1808-39), gold Hayriye Altin (or Half), AH1223, Abdul Hamid (1876-1909), Monnaie de Luxe, gold 50-Kurush (3), AH1293 / 23 (2), 33, Muhammad V (1909-18), Monnaie de Luxe, gold 25-Kurush (2), AH1327 / 3 and date unclear (KM 637/638, 740, 763), generally fine or better, all with loop mount attached, some holed and plugged, probably made for jewellery (6).
The cataloguer has not seen these coins. Weight would define their exact denomination.
Estimate: £120 - £150