A LEERDAM SERICA VASE, designed by A.D. Copier, bucket-shape, heavy clear glass, acid-stamped CL, 21.5 cm high;AND ANOTHER VASE, probably designed by A.D. Copier for the Leerdam glass factory, tapering cylindrical shape with everted rim, the clear glass surface acid-threated with vertical bands giving a crackelé effect, apparantly unmarked