The Lichen is named after the composite organism that grows on rocks, which is a strange thing to name a knife after until you look at the handle: a bronze anodised aluminium scale machined with a topographical map pattern. It is the most literal material-to-name match in Kansept's catalogue.
Specifications on the T2091A4: 7.02 inches overall, 3.02-inch drop point in 154CM at 0.118 inch stock, flat grind, blackwash finish, bronze anodised aluminium handle with the topo pattern, titanium pocket clip with an integrated pocket ramp, 3.52 ounces. Deployment is an elongated thumb hole that supports both a thumb flick and a reverse flick, and the handle edges are fully chamfered.
One thing to know before ordering: Kansept's model name calls this a bolster lock while the spec table on the same product page lists the lock type as a liner lock. On a 3.02-inch aluminium-handled folder, a liner lock is the far more likely construction, and the safe assumption is that the spec table is right and the model name is inherited from the pattern's titanium version. If lock type matters to you, confirm it before you buy rather than after.
154CM at 3.0mm stock is the sensible part of the package. It is the American analogue to VG-10 — around 58-60 HRC in production, good corrosion resistance, easy to sharpen, moderate edge retention. On a knife that will mostly open packages and cut tape, the blackwash finish does more practical work than the steel choice, because it hides the scratches that any user knife accumulates in the first month.
The pocket ramp on the clip is a small feature that is easy to underrate. A titanium clip with a ramped lead-in slides over denim instead of catching on the hem, and on a 3.52-ounce knife with an aluminium handle, snag-free carry is the difference between it going in your pocket every day and staying in a drawer.
Verdict: $139.89 is a fair price for an aluminium-handled 154CM folder with a machined topo pattern and a good clip, though it is not a value purchase — you are paying for the finish. Buy it as a light carry with some visual identity, not as a hard-use knife, and confirm the lock type if you care.