Nice looking razor! The fancy spine will probably mark your strop, though (a bit of electrical tape over the spine before stropping will sort that out).
I doubt that you will ever be able to identify the maker. From the "Government" stamp and the spelling of "Favorite" (no 'u') it was probably a direct import from a german maker to the US - a gernment-issued razor for men in the forces or similar. Favorite would only refer to the model, not the maker.
I would disregard the Gotta id - boxes aren't really reliable as indicators unless you buy the razor mint from a shop. Otherwise, they get lost and replaced, mixed up, etc.
Regards,
Neil