User blog comment:Unownshipper/Fun with Fruit Crate Labels/@comment-25357967-20180207144710

Ooh, this is neat! They could've just come straight out of the game, or since they're not, out of some concept art archive.

I have to admit that the posters with more text on them seem more believable to me, but you did note that they are matching their time period, so it could just very well be my unfamiliarity with them.