Abstract: A method of spot repairing lacquered surfaces especially on motor cars and other vehicles, in which after a spot repair in any conventional manner the repaired surface and adjacent area of the original lacquer is coated with a border line obliterating liquid which consists of a clear lacquer composition of a mixture of from between 65 and 80 parts by weight of polymethyl methacrylate and 35 and 20 parts by weight of cellulose acetate butyrate, which composition is dissolved in an organic solvent or solvent mixture in such an amount that the border line obliterating liquid will have a viscosity suitable for spray application.