The 1912 are all pretty much the same with some minor differences. They were manufactured under some different names but GEM, Ever Ready, and Star 1912s all have the same basic head design. I have noticed minor variations between them... I have an everready that seems to have a bit narrower head than my Gem 1912s and doesn't give me as good a shave. Also, the Gem 1912 Damaskeene gives me my best of the best shaves.
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Kind of hard to tell by the photo, but your Ever-Ready looks like it has the rounder face of the American GEM 1912 Damaskeene and with a more ornate handle. The Damaskeene, BTW, is my best SE razor not counting my Schick injectors.