As far as I know, there never was an OMC decal. Generally if it had a Magneto it was an Evinrude and if it had a batter ignitions, it was an Elto. There were exceptions. The Elto Handifour had a Magneto, and there was one Lightfour Imperial that had a battery ignition. About your Decal – These are the pages from the 1936 advertising brochure. . . 🙂
