Sunan an-Nasa'i 2773
سنن النسائي#2773SahihIt was narrated from Ibn Abbas:That the Prophet marked his Budn on the right side and the blood flowed down and marked it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 24:155