Up for sale is a very nice original 48inch Sinclair HC double sided porcelain sign. One side is nicer than the other as you can see in the pictures, let me know if you'd like me to post more. Thanks for viewing and feel free to ask any questions. The item "Sinclair HC sign porcelain 48inch Vintage" is in sale since Monday, May 13, 2019. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs".The seller is "1robbobcar" and is located in Thorntown, Indiana. This item can't be shipped, the buyer must pick up the item.