No need to upgrade this one ever as it is almost in its day 1 condition. We would consider this to be investment grade. It is a great size being 60 diameter.This is a wow factor sign. The color and gloss is just excellent. The item "Original Oldsmobile Service Porcelain Dealership Sign 60" is in sale since Saturday, September 02, 2017. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "redhotrelics" and is located in Elmwood Park, New Jersey. This item can be shipped to United States.