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17th C Secret Letters

March 15, 2021 by Diane Greig

Women spies for King Charles 1 knew how to letter-lock their communications so that these messages passed to him in secret.

Paper cutout of white envelope on a yellow and orange background

These expertly crafted locked letters would be damaged if opened making resealing impossible. In fact, trying to open them without the unfolding code would often lead to a damaged and unreadable message. Furthermore, each spy had their own locking signature so that King Charles knew that the letter came from who it said it did.

Today, researchers can virtually unfold these historic writings and read their contents without damage. For more about letter-locking see this article, or this entry in Wikipedia.

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Reader Interactions

Comments

  1. Martine

    March 19, 2021 at 12:27 pm

    Bonsoir

    Astucieux, mais il fallait avoir le temps …merci pour ces infos ..

    Bonne soirée
    Martine Schmitz

    Reply
    • Diane Greig

      March 19, 2021 at 12:50 pm

      Tellement vrai. Diane

      Reply

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