+3 grades. I hope you meant +3% copper grades.  I've already...

+3 grades. I hope you meant +3% copper grades.  I've already been pleasantly surprised by the up-grade from 250,000tpa to ~600,000tpa at 1%+ Co & 2.5%+ Cu. Another outstanding doubling surprise like this and it'll be my turn with heart palpitations jumping and falling off my chair in total shock. 

+3% grades of Cobalt at ~600,000tpa assuming 80% ore recovery would give you roughly HALF of Glencore's Cobalt production from their Katanga Mine!  Ah one can dream  

As a side note, I hope you'll appreciate how rare it is nowadays to discover Copper deposits grading even above 1% outside of the African Continent. It is simply almost near-extinct at this point. I doubt 1%+ Copper deposits would even exist anymore come the time of my great grandchildren.  Good opportunities like this will be even harder to come by in the near future. Remember, don't sell yourselves cheap everyone. Do your own due diligence and act accordingly.