Hadith 2279
It is narrated from Sayyiduna Anas (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) freed Lady Safiyyah bint Huyayy (may Allah be pleased with her) and made her freedom itself her dowry.
Hadith 2280
It is narrated from Sayyiduna Anas (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) first freed Umm al-Mu'mineen Sayyidah Safiyyah (may Allah be pleased with her), then married her, and her freedom itself was considered her dowry.