Collection of 27 USA Military Uniform Buttons WW1 / WW2

Collection of 27 USA Military Uniform Buttons WW1 / WW2. There may be some more modern ones in the lot, I don't know much about American Buttons. I notice some of the eagle heads are turned to the right & left. Different sizes from 5/8 of an inch to 1 1/8 inch. All with loops on the back. Some maker marked. I've included 8 pictures.

Control #WS5062