أَخْبَرَنَا عِمْرَانُ بْنُ يَزِيدَ، قَالَ حَدَّثَنَا عِيسَى بْنُ يُونُسَ، قَالَ حَدَّثَنَا عُثْمَانُ بْنُ حَكِيمٍ، عَنْ أَبِي أُمَامَةَ بْنِ سَهْلٍ، قَالَ كَانَتْ قَبِيعَةُ سَيْفِ رَسُولِ اللَّهِ صلى الله عليه وسلم مِنْ فِضَّةٍ ‏.‏

It was narrated that Abu Umamah bin Sahl said: "The pommel of the sword of the Messenger of Allah [SAW] was of silver." Translation Not Available

Book Ref: Sunan An Nisai Book 48 Hadith 5373
Web Ref:  Sunan An Nisai Vol 6 Book 48 Hadith 5375