Musannaf Ibn Abi Shayba 16:401

Abu Bakr narrated to us, he said: Abu Dawud al-Tayalisi narrated to us, from Imran al-Qattan, he said: Ammar informed me, he said: I saw upon Abu Qatada a *matraf* (a garment) of silk, and I saw upon Abu Hurayrah a *matraf* of silk. And I saw upon Ibn Abbas [garments of silk] that I cannot count.