What feature was well established in European paper by 1300 CE?

The watermark.

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  1. The barcode
  2. The staple
  3. The watermark ✔

Why: European papermaking moulds used metallic wire, and watermarks were well established by 1300 CE.

Huh, didn't know that: European papermaking moulds used metallic wire, and watermarks were well established by 1300 CE.

The dad joke
That mark made quite an impression.
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References

Answer: The watermark. European papermaking moulds used metallic wire, and watermarks were well established by 1300 CE.

  1. Papermaking en.wikipedia.org/wiki/Papermaking
    features like the watermark were well established by 1300 CE
    Checked 2026-11-07.

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