There are at least two different versions showing different patent numbers on the spring:
Different patents on Schick H1 models
Image: Andreas Schneider
Another variety doesn't have the word ‘Eversharp’ engraved on the spring, but on the inset at the front:
A model with the logo at the front
Image: herm2502@TOST
Here's an old advert for the Fashion Razor:
Schick H1 advert