Slag glass, a less elaborate overlay. Well, as Tiffany lamps are becoming more and more valuable, these lamps are also going up in value. This lamp at auction today would bring around $1,000 to $1,500 ...

Please help me know more about this slag table lamp. My mother purchased it in the early 1970s from an estate sale. I took a magnet to the metal and it stuck to the base bottom. The magnet did not ...