ʿUyūn akhbār al-Riḍā
Hadith 269269 - وَبِإِسْنادِهِ عَنْ عَلِيِ عَلَيْهِ السَّلامُ قالَ: إِنَّالنَّبِيُ صَلَّى اللهُ عَلَيْهِ وَآلِهِ يَتَخَتَّمُ فِي يَمِينِه.
31-269 According to the same documentation, it is narrated that Ali (a.s.) said, “The Prophet (S) wore his ring on his right hand.”