(HH1-PIT),  3″ x 5″, 18 mesh

Black Blue Red Yellow – colors for the Pittsburgh Steelers
Gold Bars – one for each of the Super Bowl wins by the Steelers
CM – Carnegie Mellon University
446 – there are 446 bridges in Pittsburgh
JS50 – Dr Jonas Salk, the inventor of the Polio vaccine was a professor/
researcher at the Univ of Pittsburgh