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The Smallest Stamp in the World

smallestStampInTheWorld_ICON
It was issued by Bolivar, a province of Columbia, in 1863 and is called the Bolivar 10c green.

http://thelongestlistofthelongeststuffatthelongestdomainnameatlonglast.com/smallest24.html

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The Biggest Stamp in the World

biggestStampInTheWorld_ICON
The Yemeni cats are apparently the biggest stamp on the world.

Extracted from:
http://www.stampcommunity.org/topic.asp?TOPIC_ID=7779

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