Picked this up today for a song, it's 4" (10cm) diameter across the base and 4½" tall (11.5cm), and seriously weighty for a powder pot at 537g. Much to my surprise it glows under my wee UV lamp.
It's shown as part of the set in the 1920s Libochovice catalogue, and I have some of the smaller pots in clear glass somewhere in a box awaiting photographing, but this is the first big one I've seen. Has anyone any examples in other colours please?