Shabi reported that the Messenger of Allah ﷺ observed prayer over a grave after the dead was buried and he recited four takbirs over him. Shaibani said: I said to Shabi: Who narrated it to you? He said: An authentic one, Abdullah bin Abbas. This is the word of a hasan hadith. In the narration of Ibn Numair (the words are): The Messenger of Allah ﷺ went to the grave which had been newly prepared and prayed over it, and they also prayed who were behind him and he recited four takbirs. I said to Amir: Who narrated it to you? He said: An authentic one who saw him, i e. Ibn Abbas.