I think I just made a remarkable discovery from the website of the Tahawi clan in Egypt (eltahawysaoud.com): a scanned copy of the original hujjah (Arabic authentication document) of three horses acquired by the Tahawi Bedouins of Egypt from the Sba’ah tribe. Below is the scanned copy of the hujjah in Arabic, and my own translation of it — a rough and dirty translation for now: In the Name of God the Most Merciful and Compassionate To his Excelleny the Honorable Sheykh Faysal Bey al-Abdallah al-Saud [al-Tahawi] I testify by God and his Prophet that the two grey horses, the first of which is aged two and a half years, and which is with Husayn Hilal, are [both] Duhm [plural of Dahman] al-‘Amiri, of the horses of Jarallah Ibn al-Tuwayrish from the Arabs of Sba’ah from the tribal section of Saheem, and the sire of one of them is Kuhaylan al-Kharas, and the sire of the other one is Kuhaylan al-Tamri of the horses of the Sba’ah; and I testify by God and by Muhammad the Prophet of God that they are protected [muhaffadhat] and free of impurities; And concerning the bay ‘Ubayyah mare, which has a foal by a her…