UPDATE: Firefly vs WLF
UPDATE 2: Apparently, only in USA edition, the steelbook inside is NOT sealed!!!

Here are first pictures of European versions! USA version will be added when I get them!

The contents inside are all the same. In some editions, the card deck box has the different side stored upfront. So, there are, as of now, no difference, in the card deck or contents (apart from the ratings on the game discs)

Box dimensions 26,4 x 19 x 5,5 cm

Germany/Austria/Netherland/Belgium/Luxembourg/France Version:

Germany/Austria/Netherland/Belgium/Luxembourg/France versions are identical, in shipping box as well as the WLF edition.

Pictures are thanks to my server member, GhostX!

Spain/Portugal/Italy Version:

Almost the same one as Germany except:

1. No USK logo (phew) front and back

2. Has English details on the back instead of German

UK Version:

Looks almost the same as Italy/Spain/Portugal edition but has only one language in the back! So clean! My personal favourite!

USA Version:

USA version had the biggest difference in terms of seals! They had a playstation hologram seal instead of the generic plastic seal the other regions have! Apparently, the steelbook inside the box, does not come sealed, like the other ones!
Of course they have the ESRB rating. The back has English only. But I still find the UK one most pleasing in the eyes!

Have pictures of WLF edition from countries not listed here? Mail them in please!

Does Bokeh Have It?
Except the Spain/Italy/Portugal version, YES!