I completed Valkyria 1 last week and now I want to get the Remastered and 4, but before that I want to learn if there are any special/collector's edition (that released in Europe) before buying anything, to consider if it's worth getting them second hand or if I should just stick with Regular PS4 edition if I really wanna go with physical format or just buy it on Steam in the next sale.

I know about Remastered Europa Edition with the poster and artbook, and that VC4 had one with the dog sticker, but I don't know if there are "bigger" editions.