مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3447
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Abu Salamah said: Ibn 'Abbas (رضي الله عنه) used to narrate that Abu Bakr lifted from the face of the Prophet (ﷺ) after he had died a striped cloak with which he was covered. He looked at the face of the Prophet (ﷺ), then he leaned over him and kissed him.
Musnad Ahmad 3470lts isnad is saheeh]