Sinclair HC 48in Porcelain Sign Double Sided. Please ask if you have questions. The item "Sinclair HC 48in Porcelain Sign Double Sided" is in sale since Thursday, January 31, 2019.This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "steffengeeez" and is located in Fort Worth, Texas. This item can't be shipped, the buyer must pick up the item.