Sunan an-Nasa'i 2898
سنن النسائي#2898SahihMaimunah, the wife of the Prophet said:"I heard the Messenger of Allah say: 'One prayer in this Masjid of mine is better than a thousand prayers in any other Masjid except Al-Masjid Al-Haram
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 24:281