This is a rare Sinclair porcelain sign. The sign does have age damage, but is still a highly sought piece. The item “Vintage PORCELAIN Sinclair Gas Station Oil Advertising Sign with Can ORIGINAL” is in sale since Saturday, September 8, 2018. This item is in the category “Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs”. The seller is “laret_colli” and is located in Hominy, Oklahoma. This item can’t be shipped, the buyer must pick up the item.