The bottom has a textured pattern as well. I left the brass uncleaned. It should shine up if you like that look. All the pieces are present. Nothing is cracked or broken.I have no idea of the maker. Everything my grandmother collected was Victorian. The item "Antique Hobnail Cranberry Satin Glass Library Parlor Hanging Lamp Electrified" is in sale since Sunday, November 24, 2019. This item is in the category "Collectibles\Lamps, Lighting\Lamps". The seller is "bookmarkedtimes" and is located in Orange, California. This item can't be shipped, the buyer must pick up the item.