Vintage original Selfix Maggie Magnetic “Stowaway” Deluxe Key Box, model U542.

© 1974 Selfix, Inc. – Made in USA.

This is a classic 1970s magnetic hide-a-key box designed to securely hold a spare key on or under any steel surface. Features a sliding top and strong permanent magnets for firm attachment — ideal for auto, home, shop or office use.

A great piece of retro automotive and home security history, complete with original illustrated blister packaging.

Details:

• Brand: Selfix (Maggie Magnetic, Inc.)

• Model: U542

• Year: 1974

• Made in USA

• Magnetic “Stowaway” key box

• Original retail packaging

Condition:

New old stock (NOS).

Key box remains in original packaging. Card backing shows age-related wear including discoloration, minor creasing and edge wear (see photos). Plastic blister intact. Item has not been used.

Perfect for:

• Vintage auto memorabilia collectors

• Retro home security collectors

• 1970s advertising & packaging collectors

• Hide-a-key enthusiasts

Please review all photos carefully as they are part of the description.