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- Mon Sep 06, 2010 1:30 pm
- Forum: Postcard Collecting
- Topic: Postcard with message hidden between two layers
- Replies: 2
- Views: 4292
Postcard with message hidden between two layers
I have 3 postcards which have writing hidden between the two layers of the postcard and would like to find out more about them. The front pictures are three different black and white views of Ryde (Isle of Man) the back is a blank normal postcard divided back. When you hold the cards up to the light...