Muwatta Malik · Hadith 842

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، أَنَّ عُمَرَ بْنَ عَبْدِ الْعَزِيزِ، أَهْدَى جَمَلاً فِي حَجٍّ أَوْ عُمْرَةٍ ‏.‏

Yahya related to me from Malik from Yahya ibn Said that Umar ibn Abd al-Aziz once sacrificed a camel during a hajj or an umra

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).