Sunan Abu Dawud
911
Sahih+3

Abu sa’I al-Khudri said: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

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid