Musnad Ahmad 26:661

Waki' narrated to us, from Sufyan, from 'Asim ibn Kulayb, from 'Abd al-Rahman ibn al-Aswad, from 'Alqama, who said: 'Abdullah said: "I shall pray for you the prayer of the Messenger of Allah, peace and blessings of Allah be upon him." Then he raised his hands at the beginning.