In my experience the dash is unusual (but not unheard of) in the US. I've heard people refer to it as a German or European 7. I've never seen the German 1 that

In my experience the dash is unusual (but not unheard of) in the US. I've heard people refer to it as a German or European 7. I've never seen the German 1 that is like an upside down V used by an American.