أَخْبَرَنَا الْحُسَيْنُ بْنُ عِيسَى الْبِسْطَامِيُّ، قَالَ حَدَّثَنَا سَلْمُ بْنُ قُتَيْبَةَ، عَنْ شُعْبَةَ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ كَأَنِّي أَنْظُرُ إِلَى بَيَاضِ خَاتَمِ النَّبِيِّ صلى الله عليه وسلم فِي إِصْبَعِهِ الْيُسْرَى .
It was narrated that Anas said:
"It is as if I can see the whiteness of the Prophet's ring on his left finger."
Reference: Sunan an-Nasa'i 5284
In-book : Book 48, Hadith 245
English translation : Vol. 6, Book 48, Hadith 5286