Lowest Prices on Mailboxes, Period.

Keystone Signature Series Locking Mailboxes
with Double Deluxe Post

  • The Gaines Keystone mailbox, shown in black with polished brass, is one of our best selling 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
  • There is also an available decorative post cuff for the double deluxe post
  • Door Plaques and Flags are made of solid brass or aluminum
  • 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 non-locking mailbox
  • This mailbox is also available in single 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
Available Finishes And Accents
 
Keystone Mailboxes Metallic Bronze Antique Bronze
Metallic Bronze with
Antique Bronze
gmmkssig20a-mbz
Keystone Mailboxes Metallic Bronze Polished Brass
Metallic Bronze with
Polished Brass
gmmkssig4a-mbb
Keystone Mailboxes Metallic Bronze Satin Nickel
Metallic Bronze with
Satin Nickel
gmmkssig24a-mbs
Keystone Signature Mailboxes Black Antique Bronze
Black with
Antique Bronze
gmmkssig21a-blz
Keystone Signature Mailboxes Black Polished Brass
Black with
Polished Brass
gmmkssig7a-blb
Keystone Signature Mailboxes Black Satin Nickel
Black with
Satin Nickel
gmmkssig25a-bls
Keystone Signature Mailboxes All Black
Black with
Black
gmmkssig19a-bl
Keystone Signature Mailboxes White Antique Bronze
White with
Antique Bronze
gmmkssig22a-whz
Keystone Signature Mailboxes White Polished Brass
White with
Polished Brass
gmmkssig1a-whb
Keystone Signature Mailboxes White Satin Nickel
White with
Satin Nickel
gmmkssig23a-whs
Keystone Signature Mailboxes All White
White with
White
gmmkssig15a-wh
Keystone Signature Mailboxes Almond Antique Bronze
Almond with
Antique Bronze
gmkssig26a-amz
Keystone Signature Mailboxes Almond Polished Brass
Almond with
Polished Brass
gmmkssig3a-amb
Locking Insert
 
Gaines Keystone Signature Mailboxes Locking Insert
 
Order Your Mailbox
Our Low Price: $971.00FREE SHIPPING
Availability: In Stock Ships In 1 Day
Quantity
Finish and Accents
Keystone Mailboxes Finish Options More Info
Address Plaques
Keystone Mailboxes Address Plaques More Info
Side Address
Side Address For Mailboxes More Info
Decorative Post Cuff
Decorative Post Cuff More Info
Newspaper Holders
Newspaper Holders More Info
Mailbox Details
Item Number:
  • Mailbox
  • GMMKSSIG
  • Post
  • GMPKDD2
  • Locking Insert
  • GMZMKSLOCKING
Includes:
  • 2 Mailboxes
  • Double Deluxe Post
  • 2 Locking Inserts with 2 Keys Each
  • Optional Address Plaques
  • All Assembly Hardware
  • Free Ground Shipping
Locking Mailbox Locking Mailbox
Size:
  • Mailbox
  • 12-1/4"H x 10-3/8"W x 20-1/8"D
  • Post
  • 77-1/2"H x 22-3/4"W x 4"D
Weight:
  • 68 lbs.
Manufacturer:
  • Gaines Manufacturing
Fedex ExpressFedex Ground
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