This is very good example of a early Long Comb "New" style Gillette safety razor. The reissue patent of 17567 was granted on January 14, 1930, so that's about as close as we can date it. This razor is preferred by many over the Old Type, or the Short Comb New. The longer tines in the comb, and the way they turn down provide a balance between a close, aggressive razor, and smooth control.
In spite of its age, it will use standard double edge razor blades. As you can see in the photos, the razor is in pretty good condition overall. Gillette gold plating is notoriously thin. The head and the blade case have a few spots where the brass is showing through. The ball end "Old Type" handle is commonly found with cracks. If you look with a magnifying glass, this one has two. Only one of them is large enough to see in the photos, and neither can be seen with bare eyes. The case has done its job of protecting the razor, and that's about the best you can say about it.
This variation on the New is a somewhat rare razor to collect. The long comb head makes it interesting to use. Nice piece of shaving history.