Authentic
graded by Al-Albani
Mishkat al-Masabih 4078
وَعَنْهُ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَرَّ عَلَيْهِ حِمَارٌ وَقَدْ وُسِمَ فِي وَجْهِهِ قَالَ: «لَعَنَ اللَّهُ الَّذِي وَسَمَهُ» . رَوَاهُ مُسْلِمٌ
He reported the Prophet as saying when an ass which had been branded on its face passed him, “God curse the one who branded it!” Muslim transmitted it.
Cited in Mishkat al-Masabih (No. 4078).