If you bought it with the intent to sell, but might not, because it's cool.... well, all I can say is, you have a super helmet there and welcome to the club! It's a fascinating hobby. So, congratulations!
Two or more who want that Mecklenburg for their collection perhaps. Looks like most of the gilding and silvering is gone. We'll have to see where this ends up... Just a grand more and they could've bought a nice one from Weitze.
This is what I'm seeing... sword????? on the left of the photo, indents in the center (squiggle crossed out, disregard) and the shadow of the Wappen? Of course, I could be well off base. Let's wait for others to offer opinions.