The holocovers were done by having an artist draw a scene (in this case, me), then having another artist - a sculptor - mold the foreground figures in clay (from which a hologram was made).
Where did the confusion set in? I guess from here. Someone emailed me, ages ago (and I've since lost the original email) the published cover. Have a look at the art above and the cover below.
To my eyes they are different, but that's not Norm's fault. I expect that the sculptor changed the main Prime element slightly, but then I also expect that's to be expected. So I'm happy to stand corrected, after all Norm would and does know, what was and what wasn't published when it come…