Watch List notes:

ALID OF TABARISTAN: al-Hassan b. Zayd, 864-884, AR dirham (2.70g), Nishapur, AH262, A-1523, extremely rare mint for this type, bold VF-EF, RRR. The religious expression on al-Hasan's coins is "al-da'i illa al haqq". The obverse outer margin bears Qur'an 42:23, the reverse margin Qur'an 22:39. Two examples cited on CoinArchives, one sold in 2004, unsold in 2012.

Estimate: 600-800 USD