From Sahih Bukhari (Hadith 5155):
Narrated Anas:The Prophet (ﷺ) saw the traces of Sufra (yellow perfume) on `Abdur-Rahman bin `Auf and said, "What is this?" `Abdur-Rahman, said, "I have married a woman and have paid gold equal to the weight of a datestone (as her Mahr). The Prophet (ﷺ) said to him, "May Allah bless you: Offer a wedding banquet even with one sheep
Reference: Bukhari 5155