Hi Donald, Thank you for contacting Mearto with your appraisal inquiry. The value of this lamp is somewhat dependent on the base also being marked; it is more likely to reach the high side of the value if it is. Based on the photos and information provided, and subject to examination, this is: An antique Tiffany Studios leaded glass and patinated bronze floor lamp Shade marked TIFFANY STUDIOS / NEW YORK, with flowering vine and turtleback tile domed shade with bronze twisted-tail finial, on a patinated bronze lamp base on short feet (unknown if base is marked) lamp 7 feet tall overall; shade 26 inches diameter CONDITION: a few panes of glass broken PROVENANCE: inherited $25,000-35,000* *represents a fair-market value for auction purposes; retail or asking price may vary. Please let us know if you have additional items to appraise, and thank you again for using Mearto.