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Little known "secret" in US Philatelics - Something Fun for the Holidays
by Scott Payton ·So if you have any of these issues, and a USPS Stamp Decoder, you can see the magic. Here is an example of the 2002 issued #3651 "Houdini" stamp, as seen with the naked eye: -
Can anyone identify these (supposedly) Iraqi stamps?
by Michael Generali ·Top right is Saudi Arabia Scott #365