Sunan an-Nasa'i 4376
سنن النسائي#4376SahihAli said:" The Messenger of Allah commanded us to examine the eyes and ears (of animals for sacrifice)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahHasan Sahih
Al-AlbaniHasan Sahih
Zubair Ali ZaiIsnaad Hasan
In-book reference: 43:16