Time to throw another one of my unknowns at the forum for contemplation... I've only seen one attribution (Nachtmann) on ebay for something similar (a bowl with red striped attached), but that seller is quite notorious for being wrong all the time, so I won't even bother to link it.
It's 27 cm high, 7 cm across at the base, 5 cm across at the rim. The vase is made of thick glass or crystal (it's heavy enough to be crystal, but I can't tell the difference really) pushed inwards in the middle (I just added an impromptu photo to try and show that effect). The black stripes are attached, and fold over the base.
Given where I bought it (Netherlands near the border with Germany), and the style, I'm thinking German, but that's of course open to debate. I can't see much wear, but the way the stripes are attached would prevent wear on the clear part of the glass anyway.
Any ideas?
Astrid