[asomotif]

I bought this large lance head.

The blade is 34 cms long, 6,5 cms broad at the widest point and 1,4 cms thick at the base. The tang is

The tang is square, but with a twisted part.
The shaft is dark heavy hard wood with a more or less hair like structure.
Palm wood ?

Can anyone help me with ID on this one ?
Also I would like to know what the metal fitting must have looked like.

Thanks and best regards,
Willem