Today I Learned (TIL)

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TIL that in 1862, amid a Civil War coin shortage, American entrepreneur and inventor John Gault, invented “encased postage stamps" - real stamps sealed in brass with transparent windows. He called... (en.wikipedia.org)

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The original was posted on /r/todayilearned by /u/Upstairs_Drive_5602 on 2025-07-01 09:46:31+00:00.

Original Title: TIL that in 1862, amid a Civil War coin shortage, American entrepreneur and inventor John Gault, invented “encased postage stamps" - real stamps sealed in brass with transparent windows. He called them “New Metallic Currency” and made extra money selling advertising space on the backs to businesses.

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