We came to the Messenger of Allah ﷺ as a group of four, and with us was a horse. He gave each of us one share, and he gave the horse two shares.
حدثنا أحمد بن حنبل حدثنا عبد الله بن يزيد حدثني المسعودي
أتينا رسول الله ﷺ أربعة نفر ومعنا فرس فأعطى كل إنسان منا سهما وأعطى للفرس سهمين
[Its chain of transmission is daif]. It is found in Musnad Ahmad: 4/138, its chain is daif, and the hadith has supporting narrations (shawahid).