They are not "totally unique" at all.In addition to those already mentioned, there was GSACA, RCYCA, WOTCA, and MAP.
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks