Just out of interest, do you have access to a UV light source ? just to see if the stamp is a genuine or fake one ?The berries and leaves came in an envelope with a Christmas stamp.
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Here’s the postmark on the second letter:
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The address was on a sticky label with only the surname and correct address, so they may not necessarily have been intended for niece and/or nephew.
They have reported it to local police who weren’t interested.
It certainly doesn’t fit any previously reported incidences.
We are working on the idea this is a wind-up. No member of the family or close friends have fessed up though.
So it’s wait out to see if any more arrive.
We've had junk mail with " invalid" stamps on, wise to it now and they get refused.