that could be, but the picture is taken from the original dev team, there are people who still have them.
why can't they contacted their ex employee, give them some buck to dig their old hard drive for some artwork
maybe this is because Hironobu Sakaguchi philosophy, that he hated ports, so the original development team wouldn't even thin of archiving them.
what's going through their heads to just delete years of hard work and thousands of man hour