Musannaf Ibn Abi Shayba 13:1065

Abu Bakr narrated to us, he said: Hafs narrated to us, from Hajjaj, from Abu Miskin and Kharijah, from the one who narrated to him: From al-Hasan ibn Ali, that he used to take wealth in the Hijaz and give it in Iraq, or in Iraq and give it in the Hijaz.