Sold Out Shell Cars For Hire – Now Sold! Shell double sided enamel flange sign, rarer version with extra wording advertising Cars for hire. Made by Protector and dated 6.23 Original condition piece with no restoration. Category: Sold Items Tag: Shell cars for hire Related products Duckhams Adcol Grease Tube Read more Thelson Oil Pourer Read more Esso Blue Labels £4.99 Add to cart