Could be a replacement neck, or possibly a badly-remodelled headstock. Take a look at
http://www.defil-vintage.pl/2013/12/nowe-rytmy-w-fabryce-defil.html
Can't leave Defil alone without pointing you at their ... ahem ... 'take' on the gorgeous Hagstrom Futurama:
https://reverb.com/item/40133-defil-lotos-1973-vintage-natural-relict
I get the whole Communist era thing, but nobody ever claimed that the Communists weren't very fine engineers. This monstrosity looks like a failed school word & metalwork project.