M9 DURAMOLD PROTOTYPE identification

[Mister Moon]

http://i1102.photobucket.com/albums/g450/M9M4/M9%20DURAMOLD%20USA%20026_zpsth1zl0tb.jpg (http://s1102.photobucket.com/user/M9M4/media/M9%20DURAMOLD%20USA%20026_zpsth1zl0tb.jpg.html)

Hi folks,
I found this blade and the information will be welcome :cool: