I was surprised to see the Pittsburgh Steelers logo on this site, but then it turns out their logo is based on the Steelmark. https://en.wikipedia.org/wiki/Stee

I was surprised to see the Pittsburgh Steelers logo on this site, but then it turns out their logo is based on the Steelmark. https://en.wikipedia.org/wiki/Steelmark https://en.wikipedia.org/wiki/Steelmark Neat.