صَحِيحُ مُسْلِمٍ
Sahih Muslim 2092 a
The Book of Clothes and Adornment
The Prophet (ﷺ) Wore A Ring Of Silver On Which Was Inscribed The Words Muhammad Rasul Allah (Muhammad the Messenger of Allah), And The Caliphs Wore It After He Died
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، وَخَلَفُ بْنُ هِشَامٍ، وَأَبُو الرَّبِيعِ الْعَتَكِيُّ، كُلُّهُمْ عَنْ حَمَّادٍ، - قَالَ يَحْيَى أَخْبَرَنَا حَمَّادُ بْنُ زَيْدٍ، - عَنْ عَبْدِ الْعَزِيزِ بْنِ صُهَيْبٍ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّوسلم اتَّخَذَ خَاتَمًا مِنْ فِضَّةٍ وَنَقَشَ فِيهِ مُحَمَّدٌ رَسُولُ اللَّهِ . وَقَالَ لِلنَّاسِ إِنِّي اتَّخَذْتُ خَاتَمًا مِنْ فِضَّةٍ وَنَقَشْتُ فِيهِ مُحَمَّدٌ رَسُولُ اللَّهِ . فَلاَ يَنْقُشْ أَحَدٌ عَلَى نَقْشِهِ .
Anas b. Malik reported that Allah's Messenger (ﷺ) had made for him a silver ring. and got engraved on it (Muhammad, Messenger of Allah) and said to the people I have got made a ring of silver and engraved in it (these words) (Muhammad, Messenger of Allah). So none should engrave these (words) like this engravement.
Sahih Muslim, 2092 aSahihصحيح