Star Wars Return of the Jedi Darth Vader Stone Helmet / Mask Prop

Up for grabs, one Star Wars Return of the Jedi Darth Vader helmet, cast in fiberglass by Darth Stone from a lineage casting of a tour helmet! The first pic is an image of that tour helmet which was used in this helmet's creation.
Note that the line seen on pic without the dome is not a crack, but a mold seam and doesn't affect the integrity of the helmet. It just needs puttyed and sanded. The square indentations are for fan installation if that is something you wish to add.
No longer produced, these are rather rare. Acquired this recently, but I don't really have to the time to complete. The eyes and vents need to be drilled out. Some imperfections will need puttyed, and then, of course sanding and painting.
To add some value, I'm including some mouth mesh (paint how you like or use your own), all metal machined tusks, and some velcro and dark smoke gray eye lenses (not pictured).
I'm looking for a reasonable offer, and those who know what this is understand how rare this piece is.