This is a vintage 5/8 Karnak More Co., St. Louis, MO.
Karnaks are simply amazing shavers. They are some of the last forged vintage razors out there, and in our experience with them, they are best described as smooth as silk. Think of it as a cross between an awesome Sheffield and a Japanese Tamahagane blade.
This blade is 5/8, with a rounded, French tip. There are some more noticeable patina marks on the blade and spine, and the scales are in good working order with good pin tension. The overall condition would be described as "good". This was honed with 1 layer of tape.