(64) Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
كتاب المغازى
(8) Chapter: The killing of Abu Jahl
(8) باب قَتْلِ أَبِي جَهْلٍ
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.‏
Reference : Sahih al-Bukhari 3974
In-book reference : Book 64, Hadith 27
USC-MSA web (English) reference : Vol. 5, Book 59, Hadith 312
  (deprecated numbering scheme)