User blog comment:MB543/Freedom Cry and Embers linking into ACV?/@comment-1891670-20140114063735

Ezio hid the Masyaf keys again, so they cannot be in the box. Also, if you look at the size of the Prophet's Codex in comparison to the box... well, let's just say it wouldn't fit... Furthermore, the box being similar does not mean it is actually the same...