As with most of these large coins, there is light rubbing in the field, in this case to the left of the portrait. A good CAM striking with light golden toning around the rims. In spite of an official Proof mintage of 500 pieces, this coin is notoriously difficult to find unblemished.
As with almost all known examples, it was cleaned at some stage, looooong ago, leaving some very light hair-lines. Much is no longer apparent under a fine, even greyish toning with hints of gun-metal blue. A good CAM striking, but PCGS didn't honour this. In spite of an official Proof...