This Q Knife front-lock folder by Spyderco has a skeletonized satin finished stainless steel fully serrated blade with unique, clip-style front lock. Handle is black skeletonized polymer with 4-way reversible clip and lanyard hole.
Spyderco Model Q Knife C35SBK Ultralight Skeletonized Knife 5-3/4 TOTAL LENGTH
Released in 1996 and discontinued around 1999/2000.