Sunan an-Nasai 20030
In-book no 5294أَخْبَرَنَا أَبُو بَكْرِ بْنُ نَافِعٍ، قَالَ حَدَّثَنَا بَهْزُ بْنُ أَسَدٍ، قَالَ حَدَّثَنَا حَمَّادٌ، قَالَ حَدَّثَنَا ثَابِتٌ، أَنَّهُمْ سَأَلُوا أَنَسًا عَنْ خَاتَمِ، رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ كَأَنِّي أَنْظُرُ إِلَى وَبِيصِ خَاتَمِهِ مِنْ فِضَّةٍ . وَرَفَعَ إِصْبَعَهُ الْيُسْرَى الْخِنْصَرَ .
Thabit narrated that : They asked Anas about the ring of the Messenger of Allah and he said: "It is as if I can see the shining of his silver ring, and he raised his left little finger."