The pommel of the Messenger of Allah's ﷺ sword was made of silver.
كانت قبيعة سيف رسول الله ﷺ من فضة.
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Nasai (5373) narrated it from Imran bin Yazid, who said, Isa bin Yunus told us, Uthman bin Hakeem told us, from Abu Umama bin Sahl, who mentioned it. Its chain is sahih, and Ibn Hajar declared it sahih in Talkhis Habir (1/64). Abu Umama bin Sahl is well known by his kunya, though there is disagreement about his actual name. He was born during the time of the Prophet ﷺ and did not hear from him directly, but there is nothing preventing him from having seen the Prophet's ﷺ sword. The qabia of a sword (like safina in form) is the piece of silver or iron at the end of its handle.As for what was narrated from Anas bin Malik, who said, The qabia of the sword of the Messenger of Allah ﷺ was made of silver, the correct view is that this is a mursal report. It was narrated by Abu Dawud (2583) and Tirmidhi (1691) through Jareer bin Hazim, and by Nasai (5374) through Hammam (that is, bin Yahya) and Jareer, and by Tahawi in Sharh Mushkil (1398) through Abu Awana, all of them from Qatada, from Anas, who mentioned it.Tirmidhi said, "This is a hasan gharib hadith, and it was likewise narrated from Hammam, from Qatada, from Anas. Some narrated it from Qatada, from Saeed bin Abu Hasan, who said, The qabia of the sword of the Messenger of Allah ﷺ was made of silver." End of quote.I say, this is how Hisham Dastawai narrated it from Qatada, from Saeed bin Abu Hasan, and Hisham is among the most reliable companions of Qatada. His narration was recorded by Abu Dawud (2584), Nasai (5375), and Tirmidhi in Shamail (100). This is the version that a number of scholars judged to be the stronger one, among them Imam Ahmad, as recorded in Ilal through the narration of Abdullah (1/239–240), Nasai, as quoted from him by Diya in Mukhtara (6/348) and Mizzi in Tuhfa (1/301), Abu Dawud, Darimi (2501), Daraqutni in Ilal (12/150), Bayhaqi (4/143), and others. See also Talkhis Habir (1/52).As for what was narrated from Ibn Sirin, who said, I made my sword to match the sword of Samura bin Jundab, and Samura claimed that he had made his sword to match the sword of the Messenger of Allah ﷺ, and it was of Hanafi style, this is daif. It was narrated by Tirmidhi in his Jami (1683) and in Shamail (102), and by Ahmad (20229), through various paths from Uthman bin Saad, from Ibn Sirin, who mentioned it. Tirmidhi said, "This is a gharib hadith we know only through this route, and Yahya bin Saeed Qattan criticized Uthman bin Saad the scribe with respect to his memory." End of quote.Something similar was narrated as a mursal report from Mujahid and Ziyad bin Abu Maryam. It was recorded by Ibn Saad in Tabaqat (1/486) and by Abu Shaykh in Akhlaq Nabi ﷺ (410), through Abdul-Wahid bin Ziyad, from Khaseef bin Abdul-Rahman, from Mujahid and Ziyad bin Abu Maryam, who both said, The sword of the Messenger of Allah ﷺ was of Hanafi style, with a hilt made of horn. This is mursal, and its narrators are trustworthy except for Khaseef, about whom some criticism has been made, though his hadith is considered hasan.His statement "Hanafi" means in the style of the swords of Banu Hanifa, the people of Musaylima the liar, either because its maker was from among them, or because it was made by someone who worked in their style.As for what was narrated from Muzayda Abdi, who said, The Messenger of Allah ﷺ entered on the day of the Conquest, and on his sword there was gold and silver, this is daif. It was narrated by Tirmidhi in his Jami (1690) and in Ilal al-Kabir (2/716), from Muhammad bin Sadran Abu Jafar Basri, who said, Talib bin Hujayr told us, from Hud bin Abdullah bin Saad, from his grandfather Muzayda, who mentioned it.Talib said, So I asked him (that is, Hud) about the silver, and he said, The qabia of the sword was made of silver.In its chain is Hud bin Abdullah Basri, for whom no narrator other than Talib bin Hujayr has been mentioned, and no one has affirmed his reliability except that Ibn Hibban mentioned him among his trustworthy narrators (5/516). For this reason Ibn Qattan said in Bayan Wahm (4823), "His status is unknown," and Ibn Hajar said, "Acceptable," meaning when corroborated by others. Ibn Abdul-Barr said, in the biographical entry on Muzayda Abdi in Istiab, "Its chain is not strong." And Dhahabi said, in the biographical entry on Talib bin Hujayr in Mizan (2/333), "This is munkar, for we know of no gold adorning his sword."