The reason that the necks are included is so you can swap the colored versions head over to this figure because it's just a black-and-white tuxedo and hat either way, this tux is I believe from the opera scene of the film which is a decent bit different than the tux he wore in his castle which is what the colored version is wearing.
Been collecting UNIVERSAL MONSTERS since the late 70’s now me nearing my 60’s lm letting go ,U can’t take it w you. You name it I may hav it up for grabs.