Johnny Cash - new painting

I painted this on and off from Tuesday to Friday this past week in my classroom. I was in the mood to just paint a portrait, and my students enjoyed watching it progress over the week. It's approximately 4 feet wide and 4 1/2 to 5 feet tall (it's still at school, so I'm estimating) and was painted with acrylic paint on super thick corrugated cardboard. This picture was taken with my iPhone, but after I take higher quality photos I'll be making prints available through my print shop.