Sunan an-Nasa'i, Volume 6, Book 48, Hadith 5207 (DarusSalam) ⓘ
It was narrated from 'Abdullah bin Ja'far that: The Prophet [SAW] used to wear his ring on his right hand.
أَخْبَرَنَا مُحَمَّدُ بْنُ مَعْمَرٍ الْبَحْرَانِيُّ، قَالَ حَدَّثَنَا حَبَّانُ بْنُ هِلاَلٍ، قَالَ حَدَّثَنَا حَمَّادُ بْنُ سَلَمَةَ، عَنِ ابْنِ أَبِي رَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ جَعْفَرٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَتَخَتَّمُ بِيَمِينِهِ .
also referenced under: Hadith 5204 (Reference) & Book 48, Hadith 165 (In-Book)