https://www.techradar.com/news/gold-iphone-x-color-unreleased

You can't buy a iPhone X in gold today, but you can now "ooh" and "aah" at newly leaked photos of Apple's best smartphone in that prestigious color.

Six pictures of the gold iPhone X were taken and submitted to the FCC seven months ago, reports MacRumors. Apple used the unreleased color in its required FCC filing, which is why we're seeing them publicly today.