Musannaf Ibn Abi Shayba 13:3430

Abu Bakr narrated to us, he said: Ali bin Mushir narrated to us, from al-Ajalih, from al-Sha’bi, from Abdullah bin al-Khalil al-Hadrami, from Zayd bin Arqam, who said: A group of people disputed before Ali. He said: "I will cast lots between them." He said: So that was mentioned to the Prophet, peace and blessings of Allah be upon him, and he laughed until his molars appeared.