This is a fine Museum Quality Tiffany Studios Reproduction Red Dragonfly Leaded Glass Lamp shade.  Check out the photos as it is really nice looking. The Fine leaded glass shade is 20 inches in diameter and 8 1/2 inches tall with a 3 inch aperture (actual 3 1/2) and fine leading throughout. There are 318 pieces of glass in the shade with the glass being primarily Youghiogheny, Uroboros, and Bullseye. One fine looking lamp shade with beautiful glass throughout and more glass in the aprons along with the 30 jewels inserted in the leaded glass. Again, check out the photos. The lamp shade is pictured in Dr. Neustadt's Book "The Lamps of Tiffany".  If you have the base, this is just a great looking Tiffany Studios Reproduction lamp shade for your home or office.