Al-Mas'udi (may Allah have mercy on him) said: I saw a sword hanging in the house of al-Qasim bin Abdul Rahman, and its hilt was of silver. I said: Whose sword is this? He said: Abdullah bin Mas'ud's (may Allah be pleased with him).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الزكاة / 7577