Watch List notes:

Islamic Coins, Ottoman Empire, Abdul Hamid I, gold 1½ altin, Islambul 1187/regnal year 1, toughra within dotted circle, rev. mint and date with dotted circle (KM.423; Pere 653), brilliant, as struck, certified and graded by PCGS as Mint State 62+, rare as such
($1500-2000)