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Experimental Envelope

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Experimental Envelope
RICHARD Offline
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Joined: Sep 2025
#2
17-10-2025, 11:38 AM (This post was last modified: 17-10-2025, 11:41 AM by RICHARD.)
No, it's the normal envelope for third-class mail that had to be sent unsealed so it could be inspected. This could be achieved either by not sealing the flap or by leaving one side panel unglued... Ken answered my question I guess I'm still learning
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Experimental Envelope - by RICHARD - 16-10-2025, 11:25 PM
RE: Experimental Envelope - by RICHARD - 17-10-2025, 11:38 AM

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