(13) باب الصَّدَاقِ وَجَوَازِ كَوْنِهِ تَعْلِيمَ قُرْآنٍ وَخَاتَمَ حَدِيدٍ وَغَيْرَ ذَلِكَ مِنْ قَلِيلٍ وَكَثِيرٍ وَاسْتِحْبَابِ كَوْنِهِ خَمْسَمِائَةِ دِرْهَمٍ لِمَنْ لاَ يُجْحَفُ بِهِ
Anas b. Malik reported that 'Abd al-Rahman married a woman for a datestone weight of gold.
Reference: Sahih Muslim 1427 f
In-book reference: Book 16, Hadith 97
USC-MSA web (English) reference(deprecated numbering scheme): Book 8, Hadith 3324