Lowest close was 1.2 cents between 7/10/11 and 21/10/11. In that period it did not close above 1.2 cents. I don't have intraday data so I'm not sure if it ever went under 1.2 cents.
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch