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
وَحَدَّثَنَا أَحْمَدُ بْنُ حَنْبَلٍ، وَأَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ وَزُهَيْرُ بْنُ حَرْبٍ قَالُوا حَدَّثَنَا إِسْمَاعِيلُ، - يَعْنُونَ ابْنَ عُلَيَّةَ - عَنْ عَبْدِ الْعَزِيزِ بْنِ صُهَيْبٍ، عَنْ أَنَسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم بِهَذَا وَلَمْ يَذْكُرْ فِي الْحَدِيثِ مُحَمَّدٌ رَسُولُ اللَّهِ .
This hadith has been reported on the authority of Anas through another chain of transmitters but there is no mention of the words (Muhammad, Messenger of Allah) in it.