Mishkat al-Masabih
Mishkat al-Masabih 4389
Arabic hadith text
وَعَنْهُ قَالَ: كَانَ خَاتَمُ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فِي هَذِهِ وَأَشَارَ إِلَى الْخِنْصِرِ منْ يَده الْيُسْرَى. رَوَاهُ مُسلم
Translation
He reported: The ring of the Prophet ﷺ was on this finger, and he pointed to the little finger of his left hand. Muslim transmitted it.