The one with the artbook should not have "Launch Edition" in the title because those terms are not used on the
packaging. It can be used in the description.
Here is a start:
Metal Gear Solid: The Legacy Collection (with Artbook)
http://vgcollect.com/item/45466
It doesn't say "with Artbook" on the packaging, so by your rule it should just say "Metal Gear Solid: The Legacy Collection"
Why is "with Artbook" okay, but "Launch edition" isn't okay? That's why I made the post in the first place, asking what the listing should say, the consensus was "Launch edition". I even suggested "with Artbook" and was told "Launch edition"
There are tons of items in the database like this. Tons of items have a first print run, and it seems to be generally acceptable practice to put something descriptive in the title to easily differentiate the items.
How does one differentiate the other 2 nearly identical items? I don't know, I honestly believe someone will in the not too distant future mark those two as dupes of each other and it will get merged or it will continue being marked as dupe.
Note: I get that this has sort of been fixed, but I feel it is still a valid topic for discussion. These types of things should have a consistent decision.