No marks I could find. Most definitely a stuben, or loetz inspired style heavy iridescence. However, some items will have to go Priority due to their value or weight.
We have no control over the charge. Emails do not always get delivered. Questions are welcome if I missed anything in the description or additional information is needed. PLEASE DON'T BE CONFUSED BY LOW STARTING PRICE!!!! The item "5 Art Glass Nouveau Iridescent Green Lamp Shade Vintage unsigned" is in sale since Wednesday, March 23, 2016. This item is in the category "Collectibles\Lamps, Lighting\Shades". The seller is "leonmad" and is located in Pittsburgh, Pennsylvania. This item can be shipped worldwide.