Nafi reported,

A slave belonging to Ibn Umar ran away and joined the Byzantines. Khalid bin Walid captured him and returned him to Abdullah. A horse of Ibn Umar's also bolted and went over to the Byzantines. It was captured, and they returned it to Abdullah.

Azami 8023

Sahih

عن نافع

أن عبدا لابن عمر أبق، فلحق بالروم، فظهر عليه خالد بن الوليد، فرده على عبد الله، وأن فرسا لابن عمر عار، فلحق بالروم، فظهر عليه، فردوه على عبد الله.

الأعظمي 8023صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Jihad
Chapter
Spoils of war, anfal, and fay
Section
Property of a Muslim when seized by the enemy then captured as spoils by Muslims, its owner has more right to it
Numbering
Jami al-Kamil 8023 (2nd edition)
Azami 8023