Gordon institute badge

Any ideas think it's australian the number looks like its been engraved later has plate that screws on to back chris

 

Is that General Gordon? He was a big Victorian hero, whether he deserved to be is debatable, and a bunch of stuff was named after him.

 

Thanks ev will do a bit more research maybe a badge of domestic from the institute will Google a bit

 

Sorry should have done thos earlier what do you reckon it's for