Watch List notes:

ISLAMIC, Seljuks. Great Seljuk. Muhammad Alp Arslan. As governor in Herat, AH 450-455 / AD 1058-1063. AV Dinar (22mm, 2.78 g, 9h). Citing Chaghri Beg Da'ud as overlord. Harat (Herat) mint. Dated AH [4]50 (AD 1058/9). Album K1670; ICV 1817. Near VF, areas of flat strike, minor edge split.

Ex Classical Numismatic Group Electronic Auction 268 (16 November 2011), lot 487.