RARE Quezal ribbed Tulip shaped art glass shade with an unusual Matte Tan body. Signed in the fitter rim with engraved "Quezal" signature. This shade is in MINT Condition, and the height is 4 7/8 inches. This shade is a bit like the "Ugly Duckling", but if you are a collector of RARE shades, this is a must for your collection. There is a second one available if you have a two shade fixture or lamp base. The Quezal factory was in business from 1902 -1924. The shades and vases produced after 1920 had very loosely engraved signatures with the final ones being just the capital letter "Q".