Vintage Genuine Tiffany Brass And Slag Glass Lamp Kit Unopened NIB! I can’t believe I found this kit at an estate sale when I saw it and read the labels I had to have it! This is a piece of American History unopened! I’m offering this unassembled NIB (the original tape was still on the glass box but I had to see if any pieces were broken so I opened it) all pieces look intact! The base is unopened.