Hi Shelley, Thank you for contacting Mearto with your appraisal inquiry. The back side of the globe looks like it has been singed by the heat of the flame and I've assumed as such in my valuation. If this is not the case, please advise and I'll amend ASAP. Based on the photos and information provided, and subject to examination, this is: An antique American brass oil lamp late 19th/early 20th Century With floral painted glass shade 18 inches high CONDITION: converted to electric. Back of shade appears to have sustained some heat damage and is now discolored. PROVENANCE: inherited $ 30-50* *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.