Title: Bayān-i ḥaqīqat, bayānāt-i valī-i ʻaṣr
Description: Commentary on Duʻā-yi iftitāḥ, a book of Islamic prayers, attributed to Muḥammad ibn al-Ḥasan al-Mahdī, b. ca. 869, 12th imam of the Shia sect of Islam.