1966 Hiawatha

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1966 Hiawatha im not sure what this is and would like feedback if anyone has a idea one speed with kome1 super brake arm hiawatha tank 24x175 tires front and back vangaurd chain gaurd i found mo in small letters followed by IT-WG3-943A THE BADGE IS MISSING IN FRONT opps i thought it was a schwin but i cant find anything on it or the serial no charts and im frustrated i cant identify it if you have any questions comments or offers it is in seattle washington area i found it 10 years ago at a garage sale and have tried several times to identify it thanks