American District Telegraph Company ( ADT Security Systems) – 1972

$6.95 – Telephone, Telegraph, Broadband – Beautifully engraved certificate from the American District Telegraph Company issued in 1972 or earlier. This historic document was printed by the American Banknote Company and has an ornate border around it with a vignette of an allegorical man with the company logo holding a bolt of lightning. T…

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