nach mailboxes for outside wall mount, 10 x 10 x 4 inch black mailbox, waterproof mailboxes for outside - chicago style mail box is up for auction in Patio, Lawn & Garden. The current bid is $2.00, 95% below the $39.99 MSRP, in New/Like New condition. Bid on this item at our Amelia - Ohio Pike location before the auction closes.