Sunan an-Nasa'i 5277
سنن النسائي#5277Sahihأَخْبَرَنَا الْعَبَّاسُ بْنُ عَبْدِ الْعَظِيمِ، قَالَ حَدَّثَنَا عُثْمَانُ بْنُ عُمَرَ، قَالَ أَنْبَأَنَا يُونُسُ، عَنِ الزُّهْرِيِّ، عَنْ أَنَسٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم اتَّخَذَ خَاتَمًا مِنْ وَرِقٍ وَفَصُّهُ حَبَشِيٌّ وَنَقْشُهُ مُحَمَّدٌ رَسُولُ اللَّهِ .
It was narrated from Anas that :The Prophet [SAW] put on a silver ring with and Ethiopian stone (Fass), on which the inscription was: "Muhammad Rasul Allah
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 48:238