The Messenger of Allah saw some traces of saffron on `Abdur-Rahman bin `Awf so he said: 'What is this?' He said: 'I married a woman for the amount of gold equal to a date stone.' So he said: 'May Allah bless you. Have a banquet, even if with only one sheep.'"
Jami` at-Tirmidhi Book 11, Hadith 15