Looks ok to me, it even has the indent.
It looks a fine original
"In all my years as a soldier, I have never seen men fight so hard." - SS Obergruppenfuhrer Wilhelm Bittrich - Arnhem
Thank you for opinion Nick and Morris.
I'm waiting for more
Nick and Morris are two opinion I would trust in this regard. I will not cast an opinion to it being authentic or not due to this is not a field of my interest. It does however in my opinion have characteristics of an era item. Good luck! Hope others comment as well.