It has the "Success" mark on the burner knob. We have a reprint of the maker's catalog from 1916 with this lamp in it. We are happy to send you a copy of the page if you'd like it for your records. The lamp is in very good antique condition with minimal wear.
There are a few areas of minor paint loss. The lamp is fully functional.
We have additional photos available on Dropbox, please message for a link. This lamp stands 24" high, and the upper globe is about 12" wide. Please message us to ask questions or request additional photos if you have specific concerns about this item.The item "Antique Multi Color Grape GWTW Success Oil Lamp, Pittsburgh Lamps/Pilabrasgo #DL" is in sale since Sunday, June 25, 2017. This item is in the category "Antiques\Decorative Arts\Lamps". The seller is "klblythe" and is located in Edmonds, Washington. This item can be shipped to United States.