Sunan Abi Dawud 2564
سنن أبي داود#2564SahihJabir reported the Prophet (ﷺ) as saying when an ass which had been branded on its face passed him. Did it not reach you that I cursed him who branded the animals on their faces or struck them on their faces. So he prohibited it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim (2117)
In-book reference: 15:88