There appears to be two catalog listings for one minifigure head.
Part #3626cpb2421 was created in 2019 so I'm guessing this is the listing
that should stay. The listing for part #3626cpb2998 is the newest created listing
and should be deleted.
[...] We're not sure if these are intended to be the same but there is a small difference in the eyebrow shape on the open mouth side of these. They will remain separate [...] (25 months ago, May 13, 2022, to Catalog Requests)