Sahih Muslim Book 8, Hadith Number 3320.
Chapter: The dower.
Anas b. Malik (Allah be plca3ed with him) reported that ‘Abd al-Rahman b. ‘Auf (Allah be pleased with him) married during the lifetime of Allah’s Messenger (May peace be upon him) for a nawat weight of gold and the messenger of Allah (May peace be upon him) said to him: Give a feast even with a sheep.