"The Messenger of Allah granted a concession allowing 'Araya sales for fresh dates and for dried dates, but he did not allow anything other than that."
It was narrated from Au Hurairah that the prophet granted a concession allowing estimation for 'Ararya sales, so long as they were five Wasq or less then that
It was narrated from Sahl bin Abi Hathamah that the Prophet forbade selling fruits before their condition was known, but he granted a concession allowing 'Araya sales by estimate, so its people could eat fresh dates.
Rafi bin Khadij and Sahl Bi Abi Hathamah narrated that the Messenger of Allah forbade Muzabanah, which means selling fresh dates still on the tree for dried dates, except in cases of 'Araya, for which he gave permission. (Sahih
أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ يَحْيَى، عَنْ بُشَيْرِ بْنِ يَسَارٍ، عَنْ أَصْحَابِ، رَسُولِ اللَّهِ صلى الله عليه وسلم أَنَّهُمْ قَالُوا رَخَّصَ رَسُولُ اللَّهِ صلى الله عليه وسلم فِي بَيْعِ الْعَرَايَا بِخَرْصِهَا .
"The Messenger of Allah granted a concession allowing 'Araya sales by estimate."
"The Messenger of Allah was asked about (buying) fresh dates with dried dates, and he said to those who were around him: 'Will fresh dates decrease (in weight or volume) when they dry out?" they said Yes,' so he forbade that."
"The Messenger of Allah was asked about (buying) said; 'Will fresh dates decrees (in weight or volume) when they dry out? 'They said 'yes so he forbade that"