✅ SOLVED USMC Buttons, but from what era?

[muerte33]

Found these 4 buttons today on a 1940's bulldozed homesite (ignore the "V" button):
The closeup is from the 18.92mm small button.

Thanks for your help!

 

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[bonepicker]

Nice looking buttons Muerte.. They look pre-indian wars US Marines to me.
Cant wait to see what the experts say.......

 

[fyrffytr1]

Horstmann Phila. backmark dates 1893-1935. D. Evans dates 1848-1945. I think your buttons date between 1923 and 1935/45 going by the low convex construction.

 

[muerte33]

Thanks fellows for the help!
I'll mark this one as solved!