For those that don't know, inaugural editions came with the certificates. On the back of the certificates is part of a photo. You need all of them to complete the photo, which I think is the band sitting from the Satanic sessions? I purchased most when they first came out in Canada but some already didn't have the certificates in them because there were delays.
I have some ready for swapping. Can't remember which ones though. I have to check it. But sure I'm in for swapping some. The reason that I never wrote about it before is that I wanted to get enough of them to swap, so I could get them all. It's kindda like Pokémon....