From Sahih Bukhari (Hadith 4461):
Narrated 'Amir bin Al-Harith:Allah's Messenger (ﷺ) did not leave a Dinar or a Dirham or a male or a female slave. He left only his white mule on which he used to ride, and his weapons, and a piece of land which he gave in charity for the needy travelers
Reference: Bukhari 4461