This is the 108 mm German Army Knife. It was made by Victorinox and officially issued to the troops of the Bundeswehr (German Army) in the period 1976 to 1986. After this period, the same knife was still issued to the troops until 2003 only it was no longer being manufactured by Victorinox. There is also a civilian version available, called the Safari Trooper.
The scales are made of green (“olive drab”) nylon and on the front it has the Bundesadler (the eagle which is the coat of arms of Germany). This knife if the first in the 108 mm series.
external links: SAK Wiki Bundesadler (Wikipedia)