(1) باب مَا جَاءَ فِي اتِّخَاذِ الْخَاتَمِ
The tradition mentioned above has also been transmitted by Ibn 'Umar through a different chain of narrators from the Prophet (ﷺ). This version adds:
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.
Reference: Sunan Abi Dawud 4219
In-book reference: Book 36, Hadith 6
English translation: Book 35, Hadith 4207