The Book of Occultation — al-Ṭūsī · Hadith 713 (#Ḥadīth #22)
Chapter 51 | Signs preceding the reappearance of Imam Mahdi
444- عنه، عن ابن فضال، عن ابن بكير، عن محمد بن مسلم قال: يخرج قبل السفياني مصري ويماني.
H 444 - It is narrated from Fadhl from Ibn Faddal from Ibn Bukair from Muhammad bin Muslim that he said: “Misri and Yamani will appear before Sufyani.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).