The Metro Line Brushed Nickel collection features a framed edge of concentric raised lines. Available in 17 different configurations, this collection is made from metal with a soft luster. – Wallplates.com
RACO 4" X 2" One Device Toggle Switch Cover Plate - Galvanized Steel Silver (865) - DollarFanatic.com
The Chelsea Aged Bronze collection is constructed of durable bronze plated metal with a gentle luster. The design is tasteful and simple with a rounded raised edge with an inset line framing
Extra Deep Raised Single Toggle Light Switch Plates
RACO 4 in. W Steel Metallic 2-Gang Exposed Work Square Cover for 1 Toggle Switch and 1 GFCI Outlet, 1-Pack 814C - The Home Depot