As durable as it is beautiful the Architectural Mailboxes Coronado Post Mount Mailbox is traditionally shaped and surprisingly well-designed. These galvanized steel and die-cast aluminum boxes feature elegant powder-coated galvanized steel bodies and solid brass accent color trim while offering USPS-approved reliability. Architectural Mailboxes Based in California Architectural Mailboxes is the net result of two dedicated designers putting their heads together to create a superior product. Vanessa Taylor and Chris Farentinos are in charge creating high-quality USPS-approved mailboxes with curb appeal that matches their functionality. You ll find top-notch materials unique colors and finishes and both traditional and new designs.