Hi Jamie, Thank you for contacting Mearto with your appraisal inquiry. Based on the photos and information provided, and subject to examination, this is: An antique Art Studio marbled blown glass lamp probably European, early/mid 20th Century Surmounted by a broad conical paper shade over a circular black wooden top, the lamp base of asymmetrical form in marbled iridescent tones of orange, yellow and white, on a circular black wooden foot with green felt lining, electrified. 28 7/8 inches high overall CONDITION: appears to be in good condition PROVENANCE: acquired from the estate of an antiques and mid-century modern dealer $400-600* *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.