Super rare to find an 1851 O housed in an OGH like this. This one looks AU to me but you be the judge.
Great luster and good technical detail. The item "1851 O $20 PCGS XF40 OGH WAY PQ Appears AU+ New Orleans Gold Double Eagle" is in sale since Monday, June 19, 2017. This item is in the category "Coins & Paper Money\Coins\ US\Gold (Pre-1933)\$20, Double Eagle". The seller is "usatrade2013" and is located in Los Angeles, California. This item can be shipped to United States.