It is narrated from Hazrat Asma (may Allah be pleased with her) that when the Prophet (peace and blessings be upon him) passed away, his armor was held in pledge.
Hadith Referenceمسند احمد / من مسند القبائل / 27565
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لضعف شهر بن حوشب