Sahih al-Bukhari 1447
صحيح البخاري#1447SahihNarrated Abu Sa`id Al-Khudri:Allah's Messenger (ﷺ) said, "There is no Zakat on less than five camels and also there is no Zakat on less than five Awaq (of silver). (5 Awaq = 22 Fransa Riyals of Yemen or 200 Dirhams.) And there is no Zakat on less than five Awsuq. (A special measure of food-grains, and one Wasq equals 60 Sa's.) (For gold 20, Dinars i.e. equal to 12 Guinea English. No Zakat for less than 12 Guinea (English) of gold or for silver less than 22 Fransa Riyals of Yemen.) Narrated Abi Sa`id Al-Khudri: I heard the Prophet (ﷺ) saying (as above)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 24:50