Sunan Abi Dawud Book 36, Hadith 7

They searched for it but could not find it. 'Uthman then fashioned a signet-ring and engraved on it "Muhammad, the Messenger of Allah". He used to wear it or stamp with it.

Previous Hadith

He engraved on it "Muhammad, the Messenger of Allah." and said: "No one must engrave anything in the manner of this signet-ring of mine. He then transmitted the rest of the tradition.

Sunan Abi Dawud Book 36, Hadith 6
Next Hadith

Ziyad b. Sa'd, Shu'aib and Ibn Musafir transmitted it from al-Zuhri. 'Ali said in their versions: "of silver".

Sunan Abi Dawud Book 36, Hadith 8