Design errors - SAINT TOME AND PRINCIPE



1962

A mosquito has six legs
 


1981

The right corner on a chessboard is always a white square
 


1982

Stamp issued to celebrate the 90th anniversary of TITO. But the stamp mentions 90+ centenario what means 90th centenary of ... 9000 years.
 


1991

Entrance of the Versailles castel inverted on the stamp.
 


1994

Marilyn Monroe had a birthmark on her right cheek, not on the left side
 


2009

During a game, the right corner of a chessboard is always white