Sahih Bukhari
Sahih Bukhari Volume 003, Book 042, Hadith Number 617.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 42. Lost Things Picked up by Someone (Luqaata)
Narated By Salama : The above narration (Hadith 616) from Ubai bin Ka'b: adding, "I met the sub-narrator at Mecca later on, but he did not remember whether Ka'b had announced what he had found one year or three years."