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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
abudawud:4228 – Hannād > ʿAbdah > ʿUbaydullāh > Nāfiʿ

Nafi' said that Ibn 'Umar used to wear his signet-ring on his left hand.  

أبو داود:٤٢٢٨ – حَدَّثَنَا هَنَّادٌ عَنْ عَبْدَةَ عَنْ عُبَيْدِ اللَّهِ عَنْ نَافِعٍ

أَنَّ ابْنَ عُمَرَ كَانَ يَلْبَسُ خَاتَمَهُ فِي يَدِهِ الْيُسْرَى