“Allah’s Messenger (Allah bless him and give him peace) chose a signet ring of silver, so it was in his possession. Then it was in the possession of Abu Bakr and the possession of 'Umar. Then it was in the possession of 'Uthman, until it fell into the well of Aris. Its engraved inscription was: ‘Muhammad is the Messenger of Allah.”
حَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ الْجَهْضَمِيُّ أَبُو عَمْرٍو، قَالَ: حَدَّثَنَا نُوحُ بْنُ قَيْسٍ، عَنْ خَالِدِ بْنِ قَيْسٍ، عَنْ قَتَادَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَتَبَ إِلَى كِسْرَى وَقَيْصَرَ وَالنَّجَاشِيِّ، فَقِيلَ لَهُ: إِنَّهُمْ لا يَقْبَلُونَ كِتَابًا، إِلا بِخَاتَمٍ، فَصَاغَ رَسُولُ اللهِ صلى الله عليه وسلم، خَاتَمًا حَلْقَتُهُ فِضَّةٌ، وَنُقِشَ فِيهِ: مُحَمَّدٌ رَسُولُ اللهِ.
Narrated Anas ibn Malik said:
"The Prophet (Allah bless him and give him peace) wrote to Chosroes, Caesar and the Negus, whereupon he was told: 'The non-Arabs will not accept a letter unless it bears a seal.' Allah’s Messenger (Allah bless him and give him peace) therefore cast a signet which had a silver ring, and on which was engraved; “Muhammad is the Messenger of Allah.”
“The inscription engraved on the signet ring of Allah’s Messenger (Allah bless him and give him peace) was: Muhammadun forming one line, Rasulu forming one line, and Allahi forming one line.”
