Sunan At-Tirmidhi

Narrated Muhammad bin 'Ali bin Al-Husain:That Ali bin Abi Talib said: ""The Messenger of Allah (ﷺ) had the 'Aqiqah for Al-Hasan with one sheep, and said: 'O Fatimah! Shave his head and give the weight of his hair in silver as charity.'"" He said: ""So I weighed it, and it was the weight of a Dirham or a bit of a Dirham