Musnad Ahmad 32:1451

Yunus narrated to us, Shaiban narrated to us, from Qatadah, who said: Anas ibn Malik narrated to us that a jubbah (outer garment) made of silk brocade was gifted to the Prophet of Allah, may Allah bless him and grant him peace, and he used to forbid silk. The people were amazed by it, so he said: "By the One in Whose hand is the soul of Muhammad, the handkerchiefs of Sa'd ibn Mu'adh in Paradise are better than this."