Sunan Ibn Majah 381
سنن ابن ماجه#381SahihIt was narrated that Ibn 'Umar said:"Men and women used to perform ablution from a single vessel during the time of the Messenger of Allah
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 1:115