Watch List notes:

ABBASID: al-Mu'tazz, 866-869, AV dinar (4.21g), Misr, AH254, A-235.2, Bernardi-162De, al-'Ush-1243, citing the heir 'Abd Allah, VF, RR, ex Gamal Amer Collection, ex Islamic Coin Auction 5, Lot 115. Very rare type, struck only at Misr, Hims, and Wasit, always with the letter "S" below the obverse field.

Estimate: 300-400 USD