A LEERDAM VASE, designed by A.D. Copier, flaring cylindrical shape with vertically ribbed surface, with small circular opening, the heavy clear glass internally decorated with small air-bubbles, acid-stamped CL, 12 cm high; AND 'SERVIES D', A LEERDAM WINE-GLASS, designed by K.P.C. de Bazel, acid-stamped artist's monogram