Magnetic Fields

We are going to make magnets up. I am trying to decide which piece to make.

Should I do Self-Portrait with Guitar, or Piedmont Ave Lamp Post?

"Self Portrait with Guitar" 2010 Acrylic on Canvas 24" x 36" - $1500
“Self Portrait with Guitar” 2010 Acrylic on Canvas 24″ x 36″ – $1500
Lampost
Piedmont Avenue Lamppost.