(78) باب صِفَةِ خَاتَمِ النَّبِيِّ صلى الله عليه وسلم وَنَقْشِهِ
It was narrated that Anas said:
"The ring of the Prophet [SAW] was of silver, and its stone (Fass) was made of silver too."
Reference: Sunan an-Nasa'i 5280
In-book reference: Book 48, Hadith 241
English translation: Vol. 6, Book 48, Hadith 5282