Sunan an-Nasa'i #5208 · The Book of Adornment

Sunan an-Nasa'iIt was narrated that Anas bin Malik said
Sunan an-Nasa'i · Book 48 · The Book of Adornment
Sunan an-Nasa'i · كتاب 48 · كتاب الزينة
"The Messenger of Allah [SAW] put on a ring, and he had some words inscribed on it. He said: 'We have put on a ring and have had some words engraved on it; no one of you should copy this inscription.'" Then Anas said: "It is as if I can see its whiteness on his hand
أَخْبَرَنَا أَبُو دَاوُدَ، سُلَيْمَانُ بْنُ سَيْفٍ الْحَرَّانِيُّ قَالَ حَدَّثَنَا هَارُونُ بْنُ إِسْمَاعِيلَ، قَالَ حَدَّثَنَا عَلِيُّ بْنُ الْمُبَارَكِ، قَالَ حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ صُهَيْبٍ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ اتَّخَذَ رَسُولُ اللَّهِ صلى الله عليه وسلم خَاتَمًا وَنَقَشَ عَلَيْهِ نَقْشًا قَالَ ‏
"‏ إِنَّا قَدِ اتَّخَذْنَا خَاتَمًا وَنَقَشْنَا فِيهِ نَقْشًا فَلاَ يَنْقُشْ أَحَدٌ عَلَى نَقْشِهِ ‏"‏ ‏.‏ ثُمَّ قَالَ أَنَسٌ فَكَأَنِّي أَنْظُرُ إِلَى وَبِيصِهِ فِي يَدِهِ ‏.‏
Reference : Sunan an-Nasa'i 5208In-book reference : Book 48, Hadith 169