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no eagle at all.
there's an O with the flame on top stamped on the guard(grip side), an S with a P under stamped on the pommel.U.S.M4 CASE on the guard(blade side).

thanks,i should have put this post in the: bayonet looking for a gun rubric...
but time is on my side,as a junior collector...
it's korean war aged,i was told.

made by case.https://www.milsurps.com/images/imported/deleted.gif

https://www.milsurps.com/images/imported/deleted.gif

definetly not a sniper scope. https://www.milsurps.com/images/imported/deleted.gif