This is a pencil drawing of the photo below in which I drew out the man and then sprayed the pencil drawing with hairspray to keep it fixed while I covered it with a layer of clear Acrylic Glazing medium. Then in layers of Color added to layers of glazing I added the color to the canvas.
This is the end result showing the actual finished portrait.
This is the pencil drawing prior to the adding of color glazing.
This is the Photo that I was contracted to do the painting from.