(1) باب كَرَاهَةِ شِرَاءِ الإِنْسَانِ مَا تَصَدَّقَ بِهِ مِمَّنْ تَصَدَّقَ عَلَيْهِ
This hadith has been narrated on the authority of Malik b. Anas with the same chain of transmitters but with this addition:
" Don't buy that even if he gives you for one dirham."
Reference: Sahih Muslim 1620 b
In-book reference: Book 24, Hadith 2
USC-MSA web (English) reference(deprecated numbering scheme): Book 12, Hadith 3949