Watch List notes:

NAJJAHID: al-Mansur b. Jayyash, 1094-1109, AV ½ dinar (1.14g), Zabid, ND, A-A1075, ruler cited as al-Mu'ayyad, which was likely his formal title; style identical to contemporary Sulayhid half dinars of Dhu Jibla (type A-1078.1), bold VF-EF, RRR.

Estimate: 170-220 USD