Watch List notes:

SAMANID: Ahmad b. Sahl, 915-920, AR dirham (3.20g), Nishapur, AH306, A-B1453, citing Ahmad without his patronymic below obverse field, very rare mint for Ahmad b. Sahl, lovely About Unc, RR, ex Hans Lundberg Collection. Ahmad b. Sahl is cited without his father's name only on issues of Balkh 302-303 and Nishapur 306, all extremely rare.

Estimate: 150-200 USD