Used stamps exchanges.

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

Stamps exchange SG-80
From
For
May@85
Singapore
18 October 2018
pete
Finland
29 October 2018
Details
Duration: 11 days
Feedback: 4 Stars
 
Messages
europapostcards.club
Europa (CEPT) Stamps
on Postcards