There are at least two different versions showing different patent numbers on the spring:
Another variety doesn't have the word ‘Eversharp’ engraved on the spring, but on the inset at the front:
Here's an old advert for the Fashion Razor:
There are at least two different versions showing different patent numbers on the spring:
Another variety doesn't have the word ‘Eversharp’ engraved on the spring, but on the inset at the front:
Here's an old advert for the Fashion Razor: