Laser cut rusty decorative corten steel letter box Australia Weathering metal also called corten steel , is widely used in back garden screens, bridges, flower pots&planters,containers, facades, mailbox and letter box and sculptures with its long company, small upkeep Charge and artistical patina. Corten steel plate (purple curtain wall metal https://letterboxes-melbourne41594.educationalimpactblog.com/50410117/rumored-buzz-on-letter-boxes-australia