This forum is for the discussion of USA coin and paper money collecting that is unrelated to saving bulk Copper Bullion Penny, Nickel & CuNi Bullion Nickel, or Silver Coins for metal content. Feel free to post scheduled coins shows.
I don't follow NGC much. I don't believe that PCGS applies DMPL (Deep mirrored proof like) or PL (proof like) to coins other than Morgans and a couple others I forget.
They SHOULD though.
It should be a designation that any coin that deserves it could have.
I actually have a steel cent that deserves PL in my opinion. It is like steel-glass