These lamps / shades if authenticated
Tiffany Engagement Ring are worth a small fortune depending on the model and year etcc..... Go to a reputable auction house and they should be able to authenticate and appraise it for you. Bear in mind that 99% of tiffany pieces on the market today are fakes. There are quite
Tiffany.com a few than can help you. I have dealt with Skinners in
Discount Tiffany Jewelry Boston and they were very helpful