Musnad Ahmad 788:19

'Abd al-Razzaq narrated to us, Ma'mar narrated to us, from Ayyub, from Nafi', from Sa'id ibn Abi Hind, from a man, from Abu Musa al-Ash'ari, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Gold and silk have been made lawful for the females of my nation, and made unlawful for its males."