Some US insignia need help ww1? maybe earlier

[waffendude]

This came with some other items, 1 piece looks ground dug?
What time frame does this stuff fall in? What's the piece on the
bottom right? Unfortunately the pins are missing, any value to
these items?

thanks for any help

[waffendude]

sorry wrong forum

Please delete ..., moderator, I've moved to appropriate forum