(25) باب مَا جَاءَ فِي خَتْمِ الْكِتَابِ
Narrated Anas bin Malik:
"When the Prophet of Allah (ﷺ) wanted to write to the foreigners, it was said to him: 'The foreigners do not accept a letter unless it has a seal.' So he had a ring made." He said: "It is as if I am now looking at its whiteness in his hand." (ID)
Reference (ID): Jami` at-Tirmidhi 2718 (ID)
In-book reference (ID): Book 42, Hadith 31 (ID)
English translation (ID): Vol. 5, Book 40, Hadith 2718 (ID)