Jami` at-Tirmidhi 506
جامع الترمذي#506SahihIbn Umar narrated:"The Prophet would give a Khutbah on Friday, then sit, then stand and give (another) Khutbah." He said: "Similar to what they do today
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 4:19