Hidden Phrobis Logo

[mocityman]

Does anyone know about the hidden Phrobis logo that is on the back of the cutter plate of the M9 Bayonet? How unusual is this? Some have the logo, some don't.

[Misfit-45]

I have two Phrobis M9s. One gen 2 and one gen 4. Neither has the hidden mark.
Marv

[Chris Johnson]

I have one M9 that I know of with this cutter plate logo...

http://img.photobucket.com/albums/v311/Hefa/usmc%20m9%20blades/aDSC01944_zpsa0b4c2e3.jpg

[Mister Moon]

http://i1102.photobucket.com/albums/g450/M9M4/PHROBIS019_zpsee76338a.jpg (http://s1102.photobucket.com/user/M9M4/media/PHROBIS019_zpsee76338a.jpg.html)

http://www.m9m4.com/index.cfm?fuseaction=engine&idcategory=1&currentpage=7