حَدَّثَنَا عَبْدُ الرَّحِيمِ بْنُ مُطَرِّفٍ الرُّوَاسِيُّ، حَدَّثَنَا عِيسَى، عَنْ سَعِيدٍ، عَنْ قَتَادَةَ، عَنْ أَنَسِ …
The Messenger of Allah صلی اللہ علیہ وسلم 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.