Muwatta Malik 1032
موطأ مالك#1032SahihYahya related to me from Malik from Yahya ibn Said from Abbad ibn Tamin that one time Uwaymir ibn Ashqar sacrificed his animal before the prayer on the morning of the Day of Sacrifice, and he mentioned that the Messenger of Allah, may Allah bless him and grant him peace, had ordered him to sacrifice another animal
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih Lighairihi
In-book reference: 23:5