Man Lā Yaḥḍuruh al-Faqīh
Hadith 4024031 - وَ- سَأَلَ يَعْقُوبُ بْنُ شُعَيْبٍ أَبَا عَبْدِ اللَّهِ عَلَيْهِ اَلسَّلاَمُ عَنِ الرَّجُلِ يُقْرِضُ الرَّجُلَ الدَّرَاهِمَ الْغِلَّةَ فَيَأْخُذُ مِنْهُ الدَّرَاهِمَ الطَّازَجِيَّةَ طَيِّبَةً بِهَا نَفْسُهُ فَقَالَ لَا بَأْسَ بِهِ وَ ذُكِرَ ذَلِكَ عَنْ عَلِيٍّ عَلَيْهِ اَلسَّلاَمُ.
Hadith.4031 - Ya'qub ibn Shu'ayb asked Abu Abdullah (as) about a man who lends dirhams of lower quality and then receives better-quality dirhams in return, with the borrower's consent.
He (as) said: "There is no harm in it."
And this was also narrated from Imam Ali ibn Abi Talib (as).