The combination of gold and a fine decoration using enamel paints adds to the products an exclusive appearance. And also the surfaces covered by staining can be decorated by engraving. More
A very demanding and costly decorative technology. After the first blowing a crystal semi-product is overlaid with another layer of the colour glass mass. The major part of the colour layer is then cut off (the colour glass forms so called "bevels") and the crystal surfaces are polished with polishing wheels and decorated by hand using the real gold.