Razor Blades Advertisement on Diamond Match Co. Matchbook

2

This is a matchbook from The Diamond Match Co. (New York), found in the vent of my old house. On the outside of the matchbook, there is an advertisement for Razor blades, sold by William Roberts Co. Exact year is unknown. 

Razor Blades Advertisement on Diamond Match Co. Matchbook 1
Source: House Vent
Razor Blades Advertisement on Diamond Match Co. Matchbook 2
Razor Blades Advertisement on Diamond Match Co. Matchbook 3