None of this stuff is a bonus; these are your purchased goods. You received the item because you paid for it.
It was in #7, the one given away at the Genii bash and the only one that came in a larger envelope. The item is tiny and easy to miss. I discovered mine wedged down in the corner of the envelope. I never saw it before today.
Karl Fulves encloses a packing list with Prolix. Real Secrets might want to do the same, since due to their delayed revelations and information blackout, props absent from mis-packed envelopes may not be recognized until months later.