Not graded
Mishkat al-Masabih 5461
Narrator:Thawbān
وَعَنْ ثَوْبَانَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «إِذَا رَأَيْتُمُ الرَّايَاتِ السُّودَ قَدْ جَاءَتْ مِنْ قِبَلِ خُرَاسَانَ فَأْتُوهَا فَإِنَّ فِيهَا خَلِيفَةَ اللَّهِ الْمَهْدِيَّ» . رَوَاهُ أَحْمَدُ وَالْبَيْهَقِيُّ فِي «دَلَائِل النبوَّة»
Thauban reported God's messenger as saying, "When you see the black standards have come from the direction of Khurasan go to them, for God's khalifa the Mahdi will be among them." Ahmad and Baihaqi, in Dala'il an-nubuwa, transmitted it.
Reported by Ahmad (No. 21353). Cited in Mishkat al-Masabih (No. 5461).