IDRISID: Yahya I, 849-863, AR dirham (1.84g), Tilimsan (Tlemcen), AH237, A-425, actually anonymous, as only the deceased Muhammad (b. Idris, AH213-221) is cited, and without any local governor's name; bold mint and date, F-VF, RRR. This is the first reported dirham from the time of Yahya I for any mint other than the common mint of al-'Aliya.

Estimate: USD 180 - 240