Floor model knives may have small scuffs, small scratches or small bits of oxidization, these are purely cosmetic and offer a good deal to those who plan on using their knives as these 'defects' will be undistinguishable after use.
V2 is similar to shirogami but contains a small amount of chromium to aid in grain formation.
Yoshikane operates a small, family-run forge in Sanjo, Niigata and has been making kitchen knives since 1919. They deserve their good reputation for excellent forging and heat treatments, which make for easy sharpening and great edge life for both single and double bevel knives. This is especially true about the thin grinds provided on double bevel knives. For middle-weight Japanese knives, they cut like a much thinner blade.