Gibraltar Mailboxes Designer Classic Galvanized Steel Wall Mount Venetian Bronze Mailbox. Carefully crafted to create the ultimate combination of styling and security, the medium-sized Designer mailbox does not disappoint. This vertical locking mailbox offers a stunning, elegant look for any residence. Rust-resistant galvanized steel construction and a powder-coated finish provide lasting durability and aesthetics, while the concealed lock will deter thieves.