My 1937 catalog has the GA fender stays going to the drops. You can't see the seat stay tops. I think I would call Auchen's a "speed sport" of 37- or a special club 38+. Golden Arrows are supposed to be slacked-out. I think that feature alone is the identifier of this product and virtually any other feature could be a variable. Perhaps the headclip also.
I had thought mine was from the 20's because of the undated K hub but chrome wasn't used 'till 32 or so.