NASAI-KUBRA 6036:
from Abū Hurayrah —
"whoever buys a Musarraha, if he is please with it when he milks it, he may keep it, and if he is not please with it, he may return it, along with a Sa of daters"' (Sahih ) (Using translation from Nasāʾī 4488)
الكبرى للنسائي ٦٠٣٦:
عن ابو هريره —
عَنْ رَسُولِ اللهِ ﷺ قَالَ «إِنَّ مَنِ اشْتَرَى مُصَرَّاةً فَإِنْ رَضِيَهَا إِذَا حَلَبَهَا فَلْيُمْسِكْهَا وَإِنْ كَرِهَهَا فَلْيَرُدَّهَا وَمَعَهَا صَاعٌ مِنْ تَمْرٍ»