Authentic
Riyad as-Salihin 1374
The Prophet (may Allah's peace and blessings be upon him) bought a camel from him, and he weighed out (the price) and paid him more than his due
Jābir (may Allah be pleased with him) reported that the Prophet (may Allah's peace and blessings be upon him) bought a camel from him, and he weighed out (the price) and paid him more than his due.
وعن جابر، رضي الله عنه أن النبي صلى الله عليه وسلم اشترى منه بعيرًا فوزن له فأرجح. ((متفق عليه))