"The inscription on the ring of the Prophet (ﷺ) was in three lines: 'Muhammad' on a line, 'Messenger' on a line, and 'Allah' on a line."
Jami` at-Tirmidhi Book 24, Hadith 28
← Previous Hadith "When the Messenger of Allah (ﷺ) entered the area in which he would relieve himself, he would remove the ring."

This Hadith is Hasan Sahih Gharib Hadith.

Jami` at-Tirmidhi Book 24, Hadith 27 Next Hadith → "The inscription on the ring of the Prophet (ﷺ) was in three line: 'Muhammad' on a line, 'Messenger' on a line, 'Allah' on a line." And Muhammad bin Yahya (one of the two who narrated to him) did not say: "Three lines" in his narration.

There are narrations on this topic from Ibn 'Umar.

This Hadith of Anas is a Hasan Sahih Gharib.

Jami` at-Tirmidhi Book 24, Hadith 29