(47) باب صِفَةِ خَاتَمِ النَّبِيِّ صلى الله عليه وسلم
It was narrated from Anas that :
The Prophet [SAW] wore a ring of silver with an Ethiopian stone (Fass), on which was inscribed (the phrase): "Muhammad Rasul Allah (Muhammad the Messenger of Allah)." (ES)
Reference (ES): Sunan an-Nasa'i 5196 (ES)
In-book reference (ES): Book 48, Hadith 157 (ES)
English translation (ES): Vol. 6, Book 48, Hadith 5199 (ES)