Abdullah bin Abi Bakr narrates from his father that the letter which the Prophet (peace and blessings be upon him) wrote for Amr bin Hazm (may Allah be pleased with him) also contained: "When the nose is cut off from its root, there are 100 camels for it."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الديات / 16237