BRASS Accents A07-M0070-619 Mail Slot, 3" x 10", Satin Nickel - - Amazon.com
Cast Iron Vintage Mail Letter Slot for Door (Front & Back Plates) Vintage Mailbox Slot for Walls & Doors, Antique Door Mail Slot Cover W/Mounting Hardware | MS-81 - - Amazon.com
Deltana MS211U3 11" x 2 1/4" Solid Brass Mail Slot - Door Mail Slots - Amazon.com
Deltana MS627U5 8 7/8-Inch Mail Slot with Solid Brass Back Plate - - Amazon .com
Baldwin 0015033 Letter Box Plate, Vintage Brass - Door Mail Slots - Amazon .com