Watch List notes:

ITALY. Sicilia (Regno). William I, "the Bad", 1154-1166. Tari (Gold, 13 mm, 0.43 g, 11 h), Messina, March AH 549 = 1154. Arabic legend al-malik Ghulyalim al-hadi' bi-amr Allah, driba Masina sanat Pellet above crescent and annulet within linear circle. Rev. IC - XC / NI - KA Cross potent on shaft with uncertain outer Arabic legend. Cf. MEC 14, 282-5. Spahr 92. Rare. Die-rust, otherwise, very fine.

From the Staffieri Collection.