It is narrated from Sayyiduna Anas bin Malik (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) married Umm Salamah (may Allah be pleased with her) for a dowry (mahr) of goods worth ten dirhams.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 19802