Lowest Prices on Mailboxes, Period.

Keystone Signature Series Mailbox

  • The Gaines Keystone mailbox, shown in metallic bronze with antique bronze, is one of our best selling decorative mailboxes
  • This decorative mailbox is virtually maintenance free since it is made of cast aluminum and covered with a powder coat paint finish so it will never rust
  • The powder coat is available in several color options and complimented by several different accents to allow you to find a unique mailbox that will be a perfect match for your home
  • Door Plaques and Flags are made of solid brass or aluminum
  • Verde Brass is a durable weathered bronze antique verde patina finish
  • You can further customize your mailbox by adding your street name and address to the side of the mailbox in a 7 year guaranteed vinyl that will match the color of the mailbox's accents
  • This mailbox is available as a locking mailbox or get the locking insert to add to your keystone mailbox
  • This mailbox is also available in post mount system with a deluxe post or a standard post
  • Need an address plaque for your house? Check out our selection of Gaines HouseMark address plaques which come in combinations to match your Keystone mailbox
  • Looking for a replacement post for your mailbox? Check out our replacement mailbox posts
  • View more Decorative Post Mount Mailboxes
Available Finishes And Accents
 
Keystone Mailboxes Metallic Bronze Antique Bronze
Metallic Bronze with
Antique Bronze
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Keystone Mailboxes Metallic Bronze Polished Brass
Metallic Bronze with
Polished Brass
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Keystone Mailboxes Metallic Bronze Satin Nickel
Metallic Bronze with
Satin Nickel
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Keystone Signature Mailboxes Black Antique Bronze
Black with
Antique Bronze
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Keystone Signature Mailboxes Black Polished Brass
Black with
Polished Brass
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Keystone Signature Mailboxes Black Satin Nickel
Black with
Satin Nickel
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Keystone Signature Mailboxes All Black
Black with
Black
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Keystone Signature Mailboxes White Antique Bronze
White with
Antique Bronze
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Keystone Signature Mailboxes White Polished Brass
White with
Polished Brass
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Keystone Signature Mailboxes White Satin Nickel
White with
Satin Nickel
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Keystone Signature Mailboxes All White
White with
White
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Keystone Signature Mailboxes Almond Antique Bronze
Almond with
Antique Bronze
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Keystone Signature Mailboxes Almond Polished Brass
Almond with
Polished Brass
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Locking Insert
 
Gaines Keystone Signature Mailboxes Locking Insert
 
Bottom View - Mounting Holes
 
Keystone Mailboxes Bottom View Mounting Holes
 
Optional Mailbox Posts
 
Gaines Keystone Signature Mailboxes Standard Post
Standard Post
Gaines Keystone Signature Mailboxes Deluxe Post
Deluxe Post
Order Your Mailbox
Our Low Price: $255.00FREE SHIPPING
Availability: In Stock Ships In 1 Day
Quantity
Finish and Accents
Keystone Mailboxes Finish Options More Info
Post
Gaines Keystone Post Options More Info
Side Address
Side Address For Mailboxes More Info
Locking Option
Gaines Keystone Locking Option More Info
Mailbox Details
Item Number:
  • GMMKSSIG
Includes:
  • Mailbox
Size:
  • 12-1/4"H x 10-3/8"W x 20-1/8"D
Weight:
  • 18 lbs.
Manufacturer:
  • Gaines Manufacturing
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