He will have a broad brow, his nose will be thin.(Tirmidhi; Al-Rudani, Jam' al-Fawa`id, Vol. 5, p. 365)
He [Hazrat Mahdi (as)] is someone with ... a small nose ...(Al-Barzanji, Al-Isha'ah li-ashrat al-sa'ah, p. 163)
Hazrat Mahdi (as) is from my line. He will have a clear brow and A THIN NOSE…(Ahmad ibn Hanbal II-291, III-17; Sunan Abu Dawud, Vol. 14, Samil Press, K. al-Mahdi (35), p. 404)
He [Hazrat Mahdi (as)] has thick hair, a broad brow and a slight concavity on his forehead. HIS NOSE IS SMALL and there is a small protrusion right on the bridge. There is also a protruding mole on his cheek. (Bihar al-Anwar, Vol. 13)
According to Abu Sa’id al-Khudri’s (ra) account, the Messenger of Allah (saas) said: "Hazrat Mahdi (as) is from my line. He will have a clear brow and A FINE NOSE...(Ahmad ibn Hanbal II-291, 111-17; Sunan Abu Dawud, Samil Press, 14/403-404)
Abd al-Malik al-'Isami (1111) is a well-known historian residing in Mecca. In his four-volume work of history known as Simt al-Nujum al'awali he says: "... HE [HAZRAT MAHDI (AS)] IS A TEMPERATE YOUNG MAN WITH A BEAUTIFUL FACE AND HAIR, A FINE NOSE AND BROAD FACE."(Abd al-Malik al-Shafi'i al-Makki al-'Isami, Simt al-Nujum al'awali, Vol 4, p. 138;Abdullah Turan, Hz. Mehdi Aleyhisselam [Hazrat Mahdi (as)], Al-i Taha Press, p. 157)
According to what Imam Abu Ya’la and Al-Diya' al-Maqdisi narrate in al-Mukhtara from Abu Sa’id, the Prophet (saas) said: “The Judgment Day will not take place until someone from my Ahl al-Bayt, with straight hair, a clear brow and A FLAWLESS NOSE fills the world that was filled with oppression before him, with justice instead.” (Muhammad ibn Yusuf Salihi, Subul al-huda wa-al-rashad fi sirat Khayr al-Ibad (al-Sirah al-Nabawiyah), p. 202)