Watch List notes:

ABBASID: al-Mu'tazz, 866-869, AR dirham (2.70g), Arminiya, AH255, A-236.1, Vard-99, without heir, a type struck only at Arminiya in 254 & 255, when all other mints added the caliphal heir 'Abd Allah, VF to EF, RR.

Estimate: 400-450 GBP