Watch List notes:

ALID OF TABARISTAN: Ja'far b. Yahya [Barmaki], 790s, AR dirham (1.81g), NM, ND, A-Z1523.2, same style as type A-Z1523.1, including the word 'abduhu below the reverse, except that the name of Ja'far b. Yahya is added after the name of the caliph al-Rashid; newly discovered type and presumed unique, EF, RRRR. With portions of Qur'an verse 42:23 and 17:81 replacing the mint & date formula on the obverse and verse 9:33 in the reverse margin.

Estimate: 600-800 USD