Used stamps exchanges.

You send 100 used stamps
to a random member
and you receive 100 back!

Discussions
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received no ID
31 Mar 2018, 18:13:32
Received from ER Fenton Australia and Jean ClaEys Belgium with out exchange ID or correspondance
23 Apr 2018, 18:58:29
At this point you don't have unregistered letters from Australia or Belgium. I assume you have found the IDs.
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