BURID: Abaq, 1140-1154, AV dinar (4.65g), Dimashq, AH534, A-A784, Abaq's name appears in the outer obverse margin, after the date formula, also citing the Great Seljuq ruler Sanjar & the Iraqi Seljuq ruler Mas'ud, plus the Abbasid caliph al-Muqtafi, some weakness of strike, but nonetheless fully legible, VF, RRR.
Estimate: 2,000-2,500 USD