Hadith 4214
Chapter 1571: What Has Been Reported About Using A Ring - كتاب الخاتم
حَدَّثَنَا عَبْدُ الرَّحِيمِ بْنُ مُطَرِّفٍ الرُّؤَاسِيُّ، حَدَّثَنَا عِيسَى، عَنْ سَعِيدٍ، عَنْ قَتَادَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ أَرَادَ رَسُولُ اللَّهِ صلى الله عليه وسلم أَنْ يَكْتُبَ إِلَى بَعْضِ الأَعَاجِمِ فَقِيلَ لَهُ إِنَّهُمْ لاَ يَقْرَءُونَ كِتَابًا إِلاَّ بِخَاتَمٍ فَاتَّخَذَ خَاتَمًا مِنْ فِضَّةٍ وَنَقَشَ فِيهِ " مُحَمَّدٌ رَسُولُ اللَّهِ " .
Narrated Anas bin Malik:
The Messenger of Allah (ﷺ) wanted to write to some persian rulers. He was told that they would not read a letter without a seal in the form of a silver ring on which he engraved "Muhammad the Messenger of Allah."
Reference : Sunan Abi Dawud 4214
In-book reference : Book 36, Hadith 1