Watch List notes:

'Abbasid Caliphate. Al-Mu'tadid. AH 279-289 / AD 892-902. AV Dinar (22.8mm, 4.24g, 11h). Nisibin mint. Dated AH 285 / AD 898. cf Bernardi 211Hg (this date not recorded). Buckled flan. Near Fine. Excessively rare, apparently an unpublished date for this very rare 'Abbasid gold mint.