Mishkat al-Masabih
Mishkat al-Masabih 4393
Arabic hadith text
وَعَنِ ابْنِ عُمَرَ قَالَ: كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يتختم فِي يسَاره. رَوَاهُ أَبُو دَاوُد
Translation
Ibn Umar reported: The Prophet ﷺ used to wear a ring on his left hand. Abu Dawud transmitted it.