Paperweight / conversation starter. As long as you know it’s not real, it’s just a cool chunk of brass.

Replicas of Cobalt-60 sources can be got on Ebay for as little as $12.

I don’t remember seeing pirated stuff before Dreamcast / PS1, although to be fair, I was at a lot of PC conventions back then grabbing freeware disks and stuff, so I probably saw a lot of pirated stuff without knowing what I was looking at, just by virtue of being too young to be into the pirating / modding community.