This cover from Poland depicts 3 different stamps with tourist landmarks in Poland. The stamp on the right top shows a picture of the
Old City of Zamosc, the oldest historic district of the city of Zamość. It is one of the World Heritage Sites in Poland (added in 1992). According to UNESCO, this landmark is an outstanding example of a Renaissance planned town of the late 16th century, which retains its original layout and fortifications and many buildings of particular interest, blending Italian and Central European architectural traditions.".
