Elmgarden has dated this piece to the 19th Century.
It has a slight twist from the bottom to the top where comes to hang from a beautiful brass crown, this is suspended on more ornate brass work by chains

The lamp has been re wired and has 3 bulbs
The workmanship of the piece is superb, and it looks wonderful lit up, It was originally made for a house near Brighton Sea front, I do not know which one.
The Lantern is 17” across and 36” high
MS201
Elmgarden has dated this piece to the 19th Century.
You can view the stock and full dealer information on the Elmgarden Profile Page