Mishkat al-Masabih 19 Jihad كتاب الجهاد 203

وَعَنْهُ قَالَ: نَفَّلَنَا رَسُولُ اللَّهِ صلى الله عَلَيْهِ وَسلم نَفَلًا سِوَى نَصِيبِنَا مِنَ الْخُمُسِ فَأَصَابَنِي شَارِفٌ والشارف: المسن الْكَبِير

He said: God’s Messenger gave us booty apart from our share of the fifth, and I got a sharif , which is a very old camel. (Bukhari and Muslim.)