Grading is not exact science. Log on every week to see what is on offer or sign up to my shop newsletter. Also visit my E-bay shop to view all items by category.The item "1851-O LIBERTY HEAD $20 GOLD DOUBLE EAGLE GRADED AU53 BY NGC" is in sale since Friday, July 21, 2017. This item is in the category "Coins & Paper Money\Coins\ US\Gold (Pre-1933)\$20, Double Eagle". The seller is "pacificcoincom" and is located in Portland, Oregon. This item can be shipped worldwide.