Watch List notes:

Islamic Coins, Umayyad, temp. Yazid II (101-105h), gold ½ dinar or nisf, al-Andalus 102h, wt. 2.13gms. (Walker p. 101; HSA.12; A.134C; Bern.45Aa), a full weight and well-rounded strike, extremely fine and extremely rare
*ex Baldwin's Auction 19, lot 15
All Umayyad coins of al-Andalus are rare, the fractions particularly so.