Not graded
Musnad Ahmad 1914
Narrator:Ibn ‘Abbās
حَدَّثَنَا يَحْيَى حَدَّثَنَا حُمَيْدٌ عَنِ الْحَسَنِ عَنِ ابْنِ عَبَّاسٍ قَالَ فَرَضَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ هَذِهِ الصَّدَقَةَ كَذَا وَكَذَا وَنِصْفَ صَاعٍ بُرًّا
This hadith has no English translation yet: the Arabic text, the reference and the grade are shown here.
Reported by Ahmad (No. 1914).