Intro: …a short para about how at the beginning of the war all nations were still using semi-parade ground headdress or soft caps, and soon after trench warfare became standard and head wounds were prevalent, all countries looked to develop and/or adopt some form of protective head wear.
Exhibits: click on an image below to view in detail.
Images of lots of pickles and caps, etc, here…
When you click on this image, it opens-up a page dedicated to this piece with six or more shots from different angles and close-ups, and lots of info known about the piece.