Hi Christopher,

Thank you for contacting Mearto with your appraisal inquiry.

Shade #1490 is Tiffany Studios' "Water" or "Pond Lily" model, while the Tiffany Studios base model 584 is a gilt or verdigris bronze table lamp base commonly paired with richly decorated Favrile-glass shades—most notably the iconic Jeweled Feather and Dragonfly designs; yours has a very nice patina.

When offered at auction, the shade model tends to dictate the pricing of these table lamps. Recent prices realized for this shade range from $5,000-35,000, depending on the base model. While I don't see any exact matches to this combination, a reasonable fair-market valuation on this would be $20,000-30,000.

Based on the photos and information provided, and subject to examination, this is:

An antique Tiffany Studios "Water Lily" or "Pond Lily" three-light table lamp
shade model 1490 on patina'ed bronze base #584
Both shade and base marked.
Overall height: 24 inches; diameter of shade (base): 20 inches; diameter of base: 9 inches
CONDITION: This lamp appears to be in good condition
PROVENANCE: Inherited
$ 20,000-30,000*
*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, or questions/concerns, and thank you again for using Mearto.
~ Delia