Anas bin Malik reported,

I came to the Prophet ﷺ with a brother of mine for him to perform tahnik on, while he was in an enclosure of his. I saw him branding a sheep, and I think he said on its ears.

Bukhari 5542

Sahih

حدثنا أبو الوليد حدثنا شعبة عن هشام بن زيد

عن أنس قال

دخلت على النبي ﷺ بأخ لي يحنكه وهو في مربد له فرأيته يسم شاة حسبته قال في آذانها

البخاري 5542صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Slaughter and hunting
Chapter
Branding and marking on the face
Numbering
Darussalam 5542
Bukhari 5542