Clark's

This was manufactured by the Clark Blade and Razor company in Newark, New Jersey around about 1910.
It's a Differential head and has "REGULAR SHAVE" engraved on one side and "CLOSE SHAVE" engraved on the other.
The patent (US933020) was granted on 31 August 1909.

 

Clarks Clarks Clarks
Clarks Clarks
How does it shave?
I didn't make any note on it. I'll update this.

Clarks SOTD