Sunan an-Nasa'i 1355
سنن النسائي#1355SahihIt was narrated that 'Abdullah bin 'Amr said:"I saw the Messenger of Allah (ﷺ) counting tasbih on his fingers
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 ZaiSahih
In-book reference: 13:177