This head has at least 2 distinct colour variations for its beard (possibly
more).
1 is significantly lighter and 1 significantly darker than the other I'm
not sure but it might apply to the blocked head version also. it might be difficult
to see the colour variation in the photo but it's more visible in person.
If possible it might be good to add a note.
(the colour variation is visible across multiple heads and isn't fading)
Canada, Ontario
France, Nouvelle-Aquitaine
USA, Illinois