Shade is 9 3/8" tall , bottom is 10 1/2"across, and weighs 5lbs, 10 oz. It is about 12 1/2 across in the middle.
There are several flaws (some pictured) and no chips, cracks or repairs. Don't know if Sandwich made this type of shade or not.
The item "Large, heavt American cut-etched glass oil lamp shade, probably made about 1860" is in sale since Friday, March 17, 2017. This item is in the category "Antiques\Decorative Arts\Glass\Decanters".
The seller is "pogoant16" and is located in Los Angeles, California. This item can be shipped worldwide.