Guest Post by Steve “Dr. Sap” Sapardanis Before we examine the 2015 decal (which we started in Phase I here) we need to look back at the evolution of the Michigan Football helmet decals.  1969-1974 Version #1 – When Bo introduced the helmet stickers at Michigan in 1969 (Version 1), they were solid, maize-colored, crudely shaped footballs. These were used through the 1974 season.  Here’s Don Moorhead’s helmet as featured on HelmetHut.com: 1975-1982  Version #2 – The decal shape became more oval and the snarling wolverine head was added.   There was now a left-facing version, and a right-facing version.  Here is a good look at them from one of Jim Dack’s helmets (find more info on Jim’s collection at wolverinehelmet.com): The other distinction with this version was that the wolverine image was actually clear, thus allowing the blue helmet paint to make the wolverine appear blue:  Because the design was made 40 years ago, there was no high-end computer program like Photoshop that was used to create the snarling Wolverine head graphic.  It was probably created using Line Art.  Notice the level of detail on the hair, teeth and nose of the wolverine. The more you zoom in, the more detail you will see. 1983-1984  No Helmet Stickers.  The mystery of this two-year stretch discussed here. 1985-1994 Version 3 –…