Sunan Ibn Majah 3592
سنن ابن ماجه#3592SahihIt was narrated from Anas bin Malik that the Messenger of Allah (ﷺ) granted a concession to Zubair bin ‘Awwam and ‘Abdur-Rahman bin ‘Auf, allowing them to wear silk shirts, because of a rash they were suffering from
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 32:43