Colored intagliated articles

A solid article comprising a pharmaceutical or veterinary unit dosage form which is uniformly coloured over its entire surface and which bears at least one highlighted intagliation on its surface, said article bearing a coating layer over its entire surface including the intagliation and consisting essentially of at least one optically anisotropic substance having a minimum refractive index not greater than 2.00, the colour of the non-intagliated surface of said article being essentially unchanged by said layer while the colour of the intagliation is highlighted against the rest of the surface by said layer, said layer wherein said layer is applied by a coating process that consists essentially of applying a suspension said dosage containing said anisotropic substance on said dosage form in such a way that a rubbing action takes place between the dosage forms being coated containing no film coating agent.