An authentic Tiffany Apple Blossom lamp can sell for $20,000 - $22,000. However yours is in the Woodbine glass pattern and not the Apple Blossom. The Apple Blossom flower on these lamps has a center 'dot' surrounded by petals. The Woodbine pattern flower is a star form with no center. This Woodbine example in a different color scheme and variant base sold for $47,800:
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