Mufaddal bin Ghassan said that al-Zubayri said: Hakim bin Hizam (may Allah be pleased with him) sold Dar al-Nadwah to Sayyiduna Mu'awiyah bin Abi Sufyan (may Allah be pleased with them both) for one hundred thousand. Sayyiduna Abdullah bin al-Zubayr (may Allah be pleased with him) said: O Abu Khalid, you have sold the most honoured possession of Quraysh! He said: O my nephew, let it go; the honour of the Jahiliyyah has gone. Today honour comes only through Islam. Then he said: Bear witness that all these dirhams are charity in the path of Allah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب البيوع / 11182