ISLAMIC, Persia (Pre-Seljuq). Samanids. Nuh II ibn Mansur, AH 365-387 / AD 976-997. Multiple Dirham (Silver, 42 mm, 13.82 g, 9 h), al-Ma'dan, without date. Album 1469.1. Struck from worn dies, otherwise, about very fine.
From a Swiss collection of Islamic coins, assembled in the 1970-1980s (with original flip with S. Album's description).