Narrated Anas:
That when Abu Bakr became the Caliph, he sent him to Bahrain and wrote this letter for him, and stamped it with the Ring of the Prophet. Three lines were engraved on the Ring, (the word) 'Muhammad' was in a line, 'Apostle' was in another line, and 'Allah' in a third.
Reference | : Sahih al-Bukhari 3106 |
In-book reference | : Book 57, Hadith 15 |
USC-MSA web (English) reference | : Vol. 4, Book 53, Hadith 338 |
(deprecated numbering scheme) |