Sunan an-Nasa'i, Volume 6, Book 48, Hadith 5285 (DarusSalam) ⓘ
It was narrated from Anas that: The Prophet [SAW] used to wear his ring on his right hand.
أَخْبَرَنَا مُحَمَّدُ بْنُ عَامِرٍ، قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ عِيسَى، قَالَ حَدَّثَنَا عَبَّادُ بْنُ الْعَوَّامِ، عَنْ سَعِيدٍ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَتَخَتَّمُ فِي يَمِينِهِ .
also referenced under: Hadith 5283 (Reference) & Book 48, Hadith 244 (In-Book)