Antique WW1 Prussian German Order of the Black Eagle Leather Pickelhaube Helmet

Description

Straight from the estate of a well-known military antique collector which includes over 30 helmets and pickelhaubes from pre-WW1 and WW2 era that will be listed on my page in the near future
(pictures available upon request)
.  None of these helmets have been professionally authenticated that I'm aware of and I am NOT an expert myself.  Anything mentioned herein is simply my uneducated opinion.  That said, all helmet sales are final and returns will not be accepted.  Please take that into consideration and please ask any and all questions you may have before bidding.
This appears to be a pretty unique and rare one as the Order of the Black Eagle was considered the highest order of chivalry in the kingdom of Prussia.  This particular helmet is in great shape overall with no major signs of trauma or visible damage.  It appears to be structurally sound and straight.  The outer leather shows some surface wear but is still in good shape overall.  The inner leather liner is in great condition showing only very minor wear other than a small tear that was stitched together at some point.  The front bill shifts up and down and only being held on by the corners, I'm not sure if this is by design or if the stitches are worn out.  No visible identifiable markings.
As previously stated, I am NOT an expert on these helmets but I have done my best to detail this item and point out any noticeable
discrepancies that may concern you as a buyer.  If I missed any important details or you want me to check something in particular, please ask before bidding.
This does not appear to be a reproduction but its authenticity cannot be guaranteed.  Stand seen in pictures not included.