I would agree if it is aluminum it is an army shield (One of a pair) used on a German pith helmet it North Africa, Italy and Sicily.
The wound badges were pressed out of sheet metal so your is probably fake. Nice Waffenamt stamp on the gassmask
I would guess that this is a collection of Infantry officers insignia from the NY National Guard from the 1910-1925 time period with a number of...
Photos of the bag might help. If it is a reproduction the item might be really well made, but usually the bag has the wrong clasp or snap.
WOW....these need to go to a museum
Glad you told us what is was. Looks like a doorbell cover plate.
Are there any tags or markings on the carrying bag? Photos of the bag and the buckle would also be helpful
http://www.arms2armor.com/Bayonets/bayonets.htm
Here is the website http://www.nam.ac.uk/research/famous-units/8th-kings-royal-irish-hussars
Here is a link to the 8th Hussars website and Historical Inquiries. I would include the photos and any other information you might have. They...
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