Art Glass Tea Light Holder

I believe that these were originally Scandi in design (dating to the 1970s) - glass warmers in which you rest a tea-light candle in the centre, and on top a pot of tea or soup and the like. I think the design of these is so clever, and don't be fooled - the glass may be beautiful but it's heavy and strong! These days, they are of course still occasionally used for their intended purpose, but they also make for pretty and unusual tea-light holders.