(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." (ES)
Reference (ES): Jami` at-Tirmidhi 2718 (ES)
In-book reference (ES): Book 42, Hadith 31 (ES)
English translation (ES): Vol. 5, Book 40, Hadith 2718 (ES)