Sahih Al Bukhari Hadith Number 2431

Narrated Anas: The Prophet (peace be upon him) passed a date fallen on the way and said, “Were I not afraid that it may be from a Sadaqa (charitable gifts), I would have eaten it.”

45  Lost Things Picked up by Someone (Luqatah)
Hadith number 2431
Volume no 3
Chapter: 6 (If somebody finds a date on the way)