Phrobis: 1st, 2nd, 3rd, and 4th Generation Phrobis M9s
 

Following is an image I found on my hard drive and I have to be honest i don't know where I got it. I am posting it here as a resource...

http://quarterbore.com/images/m9_phrobis_gen-2-3-4a.jpg

I also asked Bill Porter for help with the markings and he provided me a link to the following images that shows the various Phrobis III blade markings.

http://quarterbore.com/images/m9_g1-...s_cheveron.jpg

http://quarterbore.com/images/m9_g2-phrobis_3line.jpg

http://quarterbore.com/images/m9_g3-phrobis_3line.jpg

http://quarterbore.com/images/m9_g4-...ine-narrow.jpg

http://quarterbore.com/images/m9_g4-phrobis_4line.jpg

Note:

This info has been incorporated into the Buck Phrobis pages on the website!