Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates: The small flag of the Prophet (peace and blessings be upon him) was black and his large flag was white, on which was written: La ilaha illallah Muhammadur Rasulullah (There is no god but Allah; Muhammad is the Messenger of Allah). (Allamah Haythami says:) I say:
Tirmidhi and Ibn Majah recorded this report; however, they did not include the words about the writing.
Al-Tabarani recorded it in al-Mu'jam al-Awsat. Its chain contains Hayyan, about whom the discussion has already passed, which you have seen before. The remaining narrators of this report are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الجهاد / 9639
Hadith Gradingمحدثین:إسنادہ ضعیف
Hadith Takhrij«اخرجه الطبراني فى المعجم الاوسط (221) ، أخرجه سنن الترمذي برقم: 1681، وأخرجه سنن ابن ماجه برقم: 2818، وأخرجه المعجم الكبير للطبراني برقم: 12909، وأخرجه المعجم الأوسط للطبراني برقم: 221»