Huh, I got rid of it, but cant recall how. Something something via discover iirc. If I find it, I'll update this comment

That is because you got Half Life 2 with that card. Or at least a coupon/key because the game wasn't even out back then. And before VALVe got hacked, leaked parts of the source code and postponed the releasereleased even further

It worked on my e/os fp3, switched to other authenticators on my fp5.

So the longterm vision of Shell is keep polluting while the rest of the world transitions. Sounds like a dead end to me.