Suggested Retail:$25. Gibraltar Elite Large Galvanized Steel Post-Mount Mailbox in White. The Gibraltar Industries Post Mount Rural Mailbox is made from galvanized steel for durability. The mailbox should be mounted on a post for stability and is designed in a larger size to fully accommodate all of your mail. It is U.S. Postmaster approved for use and is made with a rust-resistant white finish that adds a handsome appearance. The mailbox also features an aluminum flag and adjustable steel latch for convenient operation.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.