Used stamps exchanges.

You send 50 used stamps
to a random member
and you receive 50 back!

Stamps exchange HK-9
From
For
Kongyau2000
Hong Kong
12 October 2018
fiuman
Croatia
25 October 2018
Details
Duration: 13 days
Feedback: 5 Stars
Messages
geopostcards.club
Learn about the world
through Postcards