Ayyubid Gold Dinar of Turanshah (minted in 'Adan in either 1174 or 1175): This is an extremely rare coin.
Ottoman Empire Gold Sultani of Murad III (minted in Janija in either 1574 or 1575): This is a very rare coin (as are all Ottoman Gold coins minted in Bosnia).
Nasrid Gold Dinar of Yusuf I (minted sometime between 1333 and 1354): Yusuf I is along with his son Muhammad V responsible for building the main parts of the famous Alhambra in Granada.
Kingdom of Sicily Gold Multiple Tari of Federico II (minted in Messina sometime between 1198 and 1250):
Empire of the Romans Silver 1/2 Siliqua of Tiberius II Constantine (minted in Carthage sometime between 578 and 582): This is a RRRR coin.
Good luck, I am also bidding for a coin at the same auction: https://www.biddr.com/auctions/nac/browse?a=5760&l=7092001
Idrisid Silver Dirham of Idris II (minted in Tajrajra Madinat Idris in either 815 or 816): This coin is presumably unique.
Almoravid Gold Dinar of Tashfin ibn Ali (minted in Aghmat in either 1143 or 1144): This is a RR coin.
Jalayrid Silver 2 Dinars of Shaykh Uways I (minted in Qom in either in 1373 or 1374): This coin is unique.