Watch List notes:

ABBASID: al-Muqtadir, 908-932, AV dinar (6.33g), Mah al-Basra, AH318, A-245.2, nice strike, with only a touch of weakness in the margins, with the letters M.R below the reverse field, believed to stand for the Ziyarid ruler Mardawij b. Ziyar, who struck coins in his name at Mah al-Basra in AH322 (now common), EF, R.

Estimate: 400-500 USD