Suggested Retail:$35. ARCHITECTURAL MAILBOXES MB1 Post Mount Mailbox and 2 in. In-Ground Post Kit Black. With the grab and go MB1 mailbox and post kit you will find everything you need to install a new mailbox and post. Our in ground post design with fluted mounting plate allows mailbox to be mounted to post with ease. Embossed mailbox door and side panels provide a place for house numbers to be applied. Simple yet stylish and easy to install.. 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.