27

From: Karolina
On card: Prague (Czech Republic)

26

From: Magdalena and Andrzej
On card: Toruń (Poland)

25

From: Karolina Drejerska
On card: Pretoria (South Africa)

24

From: Council of "Pogodno" housing estate / Szczecin
On card: Szczecin (Poland)

23

From: Jeff Williams
On card: Unique stamps from The United Nations office in New York

22

From : Sake 
On card: Painting by Zofia Stryjeńska

21

From: Kura
On card: Singapore