Thank you for making your question to JustAnswer. My name is*****'m an Antiques Expert and I will try to help you with your particular inquiry. Please, don't hesitate to contact me any time or to make follow up questions if needed.
I can appraise it online but I will need a little bit more information.
Could you provide a picture of the lamp?
Could you inspect the lamp to try to find the manufacturer label or mark?
If not, I can also recommend an appraiser in your area that can help you with this.