A LOT OF LEERDAM GLASS, comprising a three-piece drinking-service designed by Jaap Gidding, clear green glass, all with acid-stamped artist's monogram, a three-piece drinking-service designed by A.D. Copier, clear glass with iridescent surface, all with acid-stamped artist's monogram, and two black pressed-glass circular trays, designed by A.D. Copier, both with moulded artist's monogram