Ephemera › HS 3905 - Invoice from William Slater, Cab & Omnibus Proprietor, Market Place, Leek, Staffordshire 1891 Image 1 of 1 HS 3905 - Invoice from William Slater, Cab & Omnibus Proprietor, Market Place, Leek, Staffordshire 1891 £15.00 Central filing hole. Add To Cart Added! Central filing hole.