مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2107
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: When the Prophet (ﷺ) died, his shield was being held in pledge by a Jewish man for thirty sa's of barley that he took as provision for his family.
Musnad Ahmad 2109lts isnad is saheeh]