One fracture on long panel see pics. Some small fractures in leaves but none lose or missing. I showed the shade to 2 antique lamp repair men, both having over 40 years in the business one repairs Tiffany & Duffner lamps specifically. Both have a lot of knowledge between them. They both say leave the cap ON the shade.
One said Chicago Mosaic used that same cap so it could be a mosaic shade in a similar style to Unique arts. No signature on base but resembles Unique too. Many companies copied popular styles from each other. So this is not Unusual. Base foot 8.5 wide. Shade is 17" x 6" deep. Cap is 3.5/8 wide. Beautiful lamp either way and guaranteed antique.Has 3 pull chain sockets & newer cord. Sockets are old but 3 different makers. The item "Antique leaded glass Unique style lamp- Handel Tiffany B&H arts & crafts era" is in sale since Sunday, October 28, 2018.
This item is in the category "Collectibles\Lamps, Lighting\Lamps\ Electric\Table Lamps". The seller is "thelampislow" and is located in Petersburg, Michigan. This item can be shipped to United States, Canada, Mexico.