The Prophet ﷺ said in his sermon, while leaning his back against the Kaabah, "For each finger, ten camels."
أن النبي ﷺ قال في خطبته- وهو مسند ظهره إلى الكعبة- في الأصابع عشر عشر.
Reported by Abu Dawud (4562), Ibn Majah (2653), Nasai (4850), Ahmad (7013), and Daraqutni (3/210), all through the hadith of Amr bin Shuayb, from his father, from his grandfather, who said, then he mentioned it.Its chain of transmission is hasan because of Amr, for his hadith is hasan.