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From 1951-1956 Meydam designed a lot of vases and a.o parfum bottles, candles, ashtrays, cigarette holders, with enclosed controlled air bubbles (don't know what is is called in English, in Dutch: spijkerglas) etc. some of these pictured in the book Meydam In Vorm by Karel Wasch, Joan Temminck and Barney Agerbeek, and in the Leerdam Glas book 1978-1998 by A. van der Kley-Blekxtoon.
Here an identical vase, currently for sale:
http://www.marktplaats.nlsearch for: spijkervaas meydam Leerdam
Google on Floris Meydam will give you more information