Narrated Anas:
that when Abu Bakr became the Caliph, he wrote a letter to him (and stamped it with the Prophet's ring) and the engraving of the ring was in three lines: Muhammad in one line, 'Apostle' in another line, and 'Allah' in a third line.
Reference | : Sahih al-Bukhari 5878 |
In-book reference | : Book 77, Hadith 95 |
USC-MSA web (English) reference | : Vol. 7, Book 72, Hadith 767 |
(deprecated numbering scheme) |