Looks like one prism was replaced. This is an antique, it can and will show signs of wear and usage.. The item "ANTIQUE EASTLAKE-PIANO WALL SCONCE-CANDLE HOLDER-BRASS-CRYSTAL-SWIVEL ARMS-PAIR" is in sale since Sunday, September 8, 2019.This item is in the category "Antiques\Architectural & Garden\Chandeliers, Sconces & Lighting Fixtures". The seller is "rhiannon-rises-313" and is located in Wanaque, New Jersey. This item can be shipped worldwide.