PERSIA (Pre-Seljuq). Saffarids. Ahmad ibn Muhammed (Abu Ja'far). AH 311-352 / AD 923-963. AV fractional dinar (1,79 g). Sijistan mint. Dated AH 347 (AD 958/9). Struck on a rugged flan., Album 1411, Grade: 1+, Ex Classical Numismatic Group, Electronic Auction 248, lot 503