Poland Wz 67 Naval Infantry

Here is another example of a Polish Naval Infantry helmet, the difference is that this example has the post 1991 Crowned Eagle insignia. A net is present with this helmet also.
The 7th Naval Assault Division has long since been disbanded and is now the 7th Coastal Defence Brigade (Mechanised), Is based in  Slupsk on the Baltic Coast and is part of the Army's 12th Mechanised Division.