It is narrated from Hazrat Anas (may Allah be pleased with him) that Hazrat Abdur Rahman bin Auf (may Allah be pleased with him) married an Ansari woman for a gold piece equal to a date stone, (the Prophet ﷺ declared it permissible).
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 13904
Hadith Gradingحکم دارالسلام:إسناده صحيح، وانظر ما قبله