deliverysafe adoorn post mount mailbox, large - anti-theft locking mailbox, weatherproof mailboxes for outside the house, 15.5" h x 12" l x 18.5" d (black) is up for auction in Patio, Lawn & Garden. The current bid is $3.00, 98% below the $174.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.