Sunan an-Nasa'i 4294
سنن النسائي#4294SahihIt was narrated that Waqi bin Khadij said:"The Messenger of Allah said: 'The worst of earnings arte the gift of a female fornicator, the price of a dog and the earnings of a cupper
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih Hadith
Zubair Ali ZaiSahih Muslim
In-book reference: 42:32