Watch List notes:

Tulunid, 1/3 silver Dirham, Khumarawayh b. Ahmed, AH 270-282, Antakiya mint, AH 278, appears to be an unpublished denomination for this rare mint, double struck, wt. 1.1gms.
*ex Morton & Aden Important Coins Of The Islamic World lot 83 this coin.

Estimate: 2500 - 2800 GBP