Sahih al-Bukhari 3974
Narrated Hisham:
That his father said, "The sword of Az-Zubair was decorated with silver." Hisham added, "The sword 
of `Urwa was (also) decorated with silver. "
حَدَّثَنَا فَرْوَةُ، عَنْ عَلِيٍّ، عَنْ هِشَامٍ، عَنْ أَبِيهِ، قَالَ كَانَ سَيْفُ الزُّبَيْرِ مُحَلًّى بِفِضَّةٍ‏.‏ قَالَ هِشَامٌ وَكَانَ سَيْفُ عُرْوَةَ مُحَلًّى بِفِضَّةٍ‏.‏