Gaines Manufacturing: Mailboxes, Posts & Address Plaques
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Column Insert Mailbox in Antique Bronze
$478.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Column Insert Mailbox in Polished Brass
$399.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Wall Mount Mailbox with Leaf Emblem
$299.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Classic Pedestal Mailbox Package
$799.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Classic Pedestal Mailbox Package in Antique Bronze
$898.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Classic Pedestal Mailbox Package in Polished Brass
$799.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Classic Pedestal Mailbox Package in Satin Nickel
$898.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Wall Mount Mailbox Locking Insert for Gaines Mailboxes
$150.00 $119.99 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Spring Style Door Hardware Kit for Gaines Mailbox
$50.00 $39.99Additional Discounts for 2+ units!
Usually ships within 3 business days!
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High-Security Option for Gaines Classic Mailbox
$75.00 $59.99Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Gaines Keystone Series Decorative Post Cuff
$156.00 $125.00 in August!Additional Discounts for 2+ units!
Usually ships in 2-3 business days!
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Silver Vinyl Lettering for Mailbox Sides/One Side up to 20 characters
$50.00 $39.99Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Gold Vinyl Lettering for Mailbox Sides/One Side up to 20 characters
$50.00 $39.99Additional Discounts for 2+ units!
Usually ships within 3 business days!
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Bronze Vinyl Lettering for Mailbox Sides/One Side up to 20 characters
$50.00 $39.99Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Keystone Series Standard Mailbox Post
$249.00 $199.00 in August!Additional Discounts for 2+ units!
Usually ships in 2-3 business days!
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Black lockable insert for Keystone Gaines Mailboxes w/ two keys
$124.00 $98.98Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Keystone Series Deluxe Mailbox Post
$461.00 $369.00 in August!Additional Discounts for 2+ units!
Usually ships in 2-3 business days!
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Keystone Series Pentad Deluxe Multi-Mount Mailbox Post - Inner Positioned (Mailboxes not included)
$999.00 $799.00 in August!Additional Discounts for 2+ units!
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Keystone Eagle Quad Deluxe Multi-Mount Mailbox Post (Mailboxes not included)
$786.00 $629.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Keystone Eagle Quad Multi-Mount Mailbox Post (Mailboxes not included)
$611.00 $489.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Keystone Series Quad Deluxe Multi-Mount Mailbox Post - Inner Positioned (Mailboxes not included)
$936.00 $749.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Keystone Eagle Triple Deluxe Multi-Mount Mailbox Post (Mailboxes Not Included)
$749.00 $599.00 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Keystone Series Triple Multi-Mount Mailbox Post (Mailboxes not included)
$675.00 $539.99 in August!Additional Discounts for 2+ units!
Usually ships in 1 to 3 business days!
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Keystone Series Double Deluxe Mailbox Post
$561.00 $449.00 in August!Additional Discounts for 2+ units!
Usually ships in 2-3 business days!
About Gaines Manufacturing
Gaines Manufacturing has spent 30+ years producing cast aluminum mailboxes, posts, and address plaques from U.S. facilities. Founded in 1991, the company built its reputation on construction quality that stamped-steel manufacturers don't match. In 2012, Gaines acquired Janzer Mailboxes, expanding its catalog with a modern minimalist line.Three construction details separate Gaines from standard mailbox brands:
Cast aluminum construction: Aluminum doesn't rust, warp, or degrade when surface coatings scratch. Standard steel mailboxes corrode from the finish inward. Cast aluminum holds structural integrity for decades in coastal, humid, and high-rainfall climates without repainting or replacement.
Solid brass accents: Brass hinges and latch hardware outlast zinc and die-cast alternatives at the highest-contact points on the unit. Standard mailboxes use cheaper hardware that strips and corrodes within a few years.
Magnetic door closures: Eliminates the loose, rattling doors common on stamped-steel mailboxes. Magnetic closures don't rely on friction or spring tension that degrades over time














