Sahih Bukhari
One-fifth of Booty to the Cause of Allah (Khumus)
Volume: 004 / Book Number: 053 / Hadith Number: 341
Narrated Anas bin Malik:
When the cup of Allah's Apostle got broken, he fixed it with a silver wire at the crack. (The sub-narrator, 'Asim said, "I saw the cup and drank (water) in it.")