Sunan an-Nasa'i 5549
سنن النسائي#5549SahihIt was narrated that Ibn 'Abbas said:"The Messenger of Allah [SAW] forbade Ad-Dubba', Al-Muzaffat," - and on one occasion he added: "An-Naqir," - "and (he forbade) mixing At-Tamr (dried dates) with raisins, and Az-Zahuw with At-Tamr
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: 51:10