18. Certificate of proficiency in Qurʼān-recitation and licence to teach granted by ʻAbd Allāh ibn Aḥmad ibn Muḥammad ibn Aḥmad al-ʻUrayfī to Abū ʻAbd Allāh Muḥammad ibn Abī ʻUthmān Saʻīd ibn Abī al-ʻAbbās Aḥmad ibn Muḥammad al-Ṭarābulusī al-Ghāfiqī