Can use some help with these buttons

[Southcacalaky]

Hey folks, trk5capt could use a little help with these buttons, any help identifying these would be appreciated, Have some info on these but not much. Thanks...

 

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[trk5capt]

Art, Thanks for posting the pics, great job. I found these at a CW site on Wadmalaw Island S.C. I know that they are early Marine Corps buttons, but am unsure if they are early enough to be CW.trk5capt...