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 Irish Shell Grease Tin Read more Lubrication Trans H.P. Grease Tin £35.00 Add to cart Duckhams Adcol Grease Tube Read more BP Special Energol Pint Tin – Sold Read more