A LEERDAM UNICA GLASS VASE, designed by A.D. Copier, flaring cylindrical shape, the heavy clear glass internally decorated with a stylized fish amidst sea-plants, against a tin-crackled ground in opalescent blue, green, grey and brown, with air-inclusions, engraved Leerdam Unica A.D. Copier and yearletter for 1943