Sunan Ibn Majah Book 15, Hadith 4
he gave a horse called Ghamr or Ghamrah to someone, then he saw one of its colts or fillies attributed to his horse being sold, but he refrained from (buging) it.
he gave a horse in charity at the time of the Messenger of Allah (ﷺ), then he saw its owner selling it for a low price. He went to the Prophet (ﷺ) and asked him about that, and he said: “Do not buy what you gave in charity.”
“A woman came to-the Prophet (ﷺ) and said: 'O Messenger of Allah (ﷺ), I gave my mother a slave girl of mine, and she has died.' The Messenger of Allah (ﷺ) said: 'Allah (SWT) has rewarded you, and returned to you your inheritance (without your seeking that.' ”