I think it is actually generally short for “Government Issue” as a kinda a reference that they are government issue like everything else in a soldiers life

Edmonton Alberta Canada, I doubt there are more than one Canadian shirtless rollerblading guitar guys out there. Though it would be kinda amazing if there were

My favorite in my city is shirtless rollerblading guitar guy. Exactly as advertised.

I don’t think this is a scale, it looks an awful lot like an otolith, which is a calcium carbonate buildup from inside a fishes head. These are often used by biologists to age a fish similar to counting rings on a tree.

I still don’t know what species would have one shaped like that but it may help you to look in better places to identify it.