Suggested Retail:$20. Gibraltar Elite Medium Galvanized Steel Post-Mount Mailbox in Black. The Elite Black Medium Post-Mount Mailbox from Gibraltar Mailboxes is made from galvanized steel that resists outdoor elements to ensure lasting durability. The mailbox is designed to be mounted on a post for stability and is crafted in the preferred standard size to accommodate all of your mail. Protected by a striking, rust-resistant black finish, the mailbox is U.S. Postmaster General approved and comes complete with an aluminum flag and 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.