Just to add a visual to above variation descriptions.

So, two styles of marks shown above on the Tac 1, and then two other variations on the blade below.

The normal/conventional/beveled both sides Tac 2 (which must have been planned given original name), and the Scout variation. These all lifted from a pumamadness australian collector site, and he also is clueless as dating and thinking more like year 2000.





For a knife assumedly produced in the last 10-15yrs, and by a "name" factory, information available has been of nuetron star or black hole variety.