USMC "Machete, Intrenching
eBay purchase. I've seen a few of these come up before but never this cheap and they say they go for hundreds, so I watched it and sniped it for $135.
Big heavy blade similar in thickness to the USMC Corpsman's knives from WWII.
Made from 1912 to sometime prior to WWII, they were no longer issue items in WWII but I expect some found service from old stocks.
https://www.milsurps.com/images/impo.../1dcfmbX-1.jpg
https://www.milsurps.com/images/impo.../lrCBZxu-1.jpg
https://www.milsurps.com/images/impo.../0R7TaaC-1.jpg
https://www.milsurps.com/images/impo.../OLRvdOs-1.jpg
https://www.milsurps.com/images/impo.../YH55jLB-1.jpg