That's a rather large & bold section of reverse paint on the front. I'm not sure what that black "target-like" design is below the tuning window. It could represent an old radio loop antenna from the 1920's.
You can see one at this link....
Made by Fuji High Radio Frequency Lab Co. Ltd. Other radios made by this company can be found with such brand names as Constant, Crestline, Hi-Delity, Vulcan and Jupiter.