Sayyiduna Jabir (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) said: "Only the guardians should marry women off, their marriages should be made only with equals, and the mahr should not be less than ten dirhams."
Ibn Khuzaymah said regarding the narrator Mubashshir: "I am free of responsibility for him."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 13761