QARAKHANID: Ibrahim b. Muhammad, 1057-1062, BI dirham (3.73g), Quz Ordu, AH454, A-3382, Kochnev-898a, Zeno-211577 (same dies), citing arslan qara khaqan 'abd al-khaliq on obverse, 'imad al-dawla wa taj al-milla sayf khalifat Allah tafghach khan ibrahim on reverse, extremely rare, possibly only 2 known, VF, RRR.
Estimate: 200-300 USD