Overview
A classic piece of automotive Americana, this chrome-plated 'lost and found' keychain features a unique serial number and return instructions.
1Identify
2Research
Preliminary identification
Vintage GMAC 'Drop in Any Mailbox' Keychain, c. 1980s
Photo reference
2 uploaded photos
Story
Before the era of GPS tracking and $400 electronic fobs, this little piece of metal was a driver's best insurance policy against lost keys.
Maker / Origin
GMAC (General Motors Acceptance Corporation) was founded in 1919 to help Americans afford the burgeoning dream of car ownership.
Condition & Value
The piece shows authentic 'pocket wear' with some minor pitting and surface scratches consistent with age. These are popular 'nostalgia' items for Chevrolet, Cadillac, and Buick enthusiasts.
Research
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