مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2020
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn "Abbas said: A red velvet cloth was placed in the grave of the Messenger of Allah (ﷺ).
Musnad Ahmad 2021Sahih (Darussalam) [ Muslim (967)]