Hello all,
Thank you all for the comments,
The ''hilt'' shaft seems more recent as discussed ,
it can even come from an old walnut bed leg

but, changing for changing,
they should obviously put a long shaft, even a broomstick

instead of this strange one,
SO WHY ISN'T IT JUST A SHORT POLEARM ??
Looking for shortened polearms shaft,
I found this one: the candeliere polearm
Candeliere - an Italian term, literally 'candlestick'. This was a shortened awl pike., a shortened ahlspiess.
Sure this one without the circle protection anymore
and 'the 'new'' shaft hilt a little shorter than the others...