Interesting "saxon" helmet

[USN]

I spotted this one on ebay and wanted to see what everyone thought, it looks like the wappen has been there a while although I do not know what its actually meant to signify and the cockade looks like an earlier baden state cockade.

https://www.ebay.com/itm/168639449791?itmmeta=01M10Q0X0XHSM6N2MXF2SVZCZ6&hash=item2743b1cabf:g:XtYAAeSwiTNqjjN6&itmprp=enc%3AAQALAAAA4GfYFPkwiKCW4ZNSs2u11xACnvslnsPss3ZVuxsNzeJkOf7W%2BYCBy6hcpwRvXwccE8k1AyLROHPCVS2KZ1j4eAJZVDZd%2FWoU27runXXo7pv5RUVnYp7hBE3eA2wwLlAhqwWX5vjsct1UtDOzZ8cX67jTKtvadRkDe5CBlssun7%2FoG%2FnzJWTJQ3W%2F6NBl5pxItpIlfSspRaaKgv6V%2BTltobL805wqYa%2FYKGBzVPjMpfLkNJ3D6vXuo2Q1rD7apQbcDm2cHRY8BZGHbsX9FKgebDLq9lNC5hYLgp%2BzZK4zB1Lz%7Ctkp%3ABk9SR9TQg5eIaA