(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 (Allah be pleasedwith him) reported that 'Abd al-Rahman b. 'Auf (Allah be pleased with him) married during the lifetime of Allah's Messenger (ﷺ) for a nawat weight of gold and the messenger of Allah (ﷺ) said to him:
Give a feast even with a sheep.
Reference: Sahih Muslim 1427 b
In-book reference: Book 16, Hadith 93
USC-MSA web (English) reference(deprecated numbering scheme): Book 8, Hadith 3320