BUWAYHID: 'Imad al-Din Abu Kalinjar, 1024-1048, AR dirham (14.65g), Suq al-Ahwaz, AH435, A-1584, Treadwell-Su43x, ruler cited with his pre-AH435 titles 'imad din Allah wa ghiyath 'ibad Allah, amazing heavy weight, perhaps the heaviest Buwayhid silver coin we have ever seen, VF, RRR.
Estimate: 260-350 USD