The mark of earth was seen on the forehead and nose of the Messenger of Allah ﷺ who had led the people I prayer. Abu Ali said: Abu Dawud did not recite this tradition when he recited his collection(of sunan) for the fourth time.  

أَنَّ رَسُولَ اللَّهِ ﷺ رُئِيَ عَلَى جَبْهَتِهِ وَعَلَى أَرْنَبَتِهِ أَثَرُ طِينٍ مِنْ صَلاَةٍ صَلاَّهَا بِالنَّاسِ قَالَ أَبُو عَلِيٍّ هَذَا الْحَدِيثُ لَمْ يَقْرَأْهُ أَبُو دَاوُدَ فِي الْعَرْضَةِ الرَّابِعَةِ