I've sent a test-dump of that exact coverdisk (AF63b) to the CAPS team, along with my system/drive test results. Still waiting for reply.
The game works perfect too, boots from my original disk with no problem. I remember deciding to collect this game as it was never released. Good thing I did. However, back in the days, I was hoping the coverdisk would be valuable. Yeah, maybe it's valuable, but not the kind of value I was hoping for