Author: gtk
Fresh post 1965 Collins Guatemala
Burmese Dha drawing Collins Guatemala Mid Weight Custom (128 GTK Prototype Pattern) Collins Guatemala 1965 USN MKII “Fastest thing on the planet”, (my profile file work and convex edge)
Daisho of GTK 128’s
GTK 128-22 and 128-12 pre polish:
My first GTK 128-22 with hamon
It ended up being a flip flop hamon or temper line because I discovered after several attempts that in order to harden these thin blades in a Japanese style you had to harden the spine also. Cupping and warping was a problem at first:
