Sunan an-Nasa'i, Hadith 4609 ⓘ
It was narrated that 'Aishah said: "The Messenger of Allah bought some food from a Jew with payment to be made later, and he put his shield in pledge for that."
أَخْبَرَنِي مُحَمَّدُ بْنُ آدَمَ، عَنْ حَفْصِ بْنِ غِيَاثٍ، عَنِ الأَعْمَشِ، عَنْ إِبْرَاهِيمَ، عَنِ الأَسْوَدِ، عَنْ عَائِشَةَ، قَالَتِ اشْتَرَى رَسُولُ اللَّهِ صلى الله عليه وسلم مِنْ يَهُودِيٍّ طَعَامًا إِلَى أَجَلٍ وَرَهَنَهُ دِرْعَهُ .
also referenced under: Book 44, Hadith 161 (In-Book) & Volume 5, Book 44, Hadith 4613 (DarusSalam)