Poland: Kajko and Kokosz (2022)

[Appendix] Czech Republic: Čtyřlístek Comics (2019)

On matching Cards:

Poland: Proszę słonia (2018)

FDC:

Used on a Card:

Croatia: Professor Baltazar (2018)

On a matching Card:

FDC:

Used on Cover:

Poland: Reksio (2016)

[Incomplete] Czech Republic: Fairy Amalka (2016)

FDC:

[Appendix] Czech Republic: Bob and Bobek (2015)

[Appendix] Czech Republic: Vecernicek (2015)

Used on a Card:

[Appendix] Czech Republic: Jů and Hele (2014)

Used on a Card:

Czech Republic: Krtek (2013)

On a matching Card with Special Postmark:

[Incomplete] Russia: Cartoons (2012)

Used on a Card:

Germany: Pittiplatsch Special Postmark (2012)

On a matching Card:

Germany: Sandmännchen (2009)

First Day Sheet:

"Erinnerungsblatt":

Czech Republic: Spejbl and Hurvínek (2009)

Estonia: Lotte from Gadgetville (2007)

Czech Republic: Krtek (2002)

Germany: Famous TV Figures for Children (1998)

The stamps show the Sendung mit der Maus, the Sandmännchen, Captain Bluebear, Maya the Bee and Pumuckl.

"Erinnerungsblatt":

Soviet Union: Misha (1979)

GDR: Children's TV (1972)

GDR: Children's TV (1964)

FDCs:

Used on Cover: