Czech Republic: Krtek (2013)

On a matching Card with Special Postmark:

[Appendix] China: Little Tadpoles looking for their Mother (2013)

Used on a Card:

United Nations (New York): Dr Seuss for World Oceans Day (2013)

Denmark: The Little Mermaid (2013)

[Incomplete] Finland: Moomins (2013)

I collect Moomin stamps used only.

On a matching Card with Special Postmark:

On matching Cards:

Germany: Uli Stein (2013)

Prepaid Cover:

Used on Cover:

[Appendix] New Zealand: Margaret Mahy (2013)

Used on a Card:

Germany: Janosch (2013)

On matching Cards with Special Postmarks:

First Day Sheet:

"Erinnerungsblatt":

Artist's Sheet:

Japan: Heidi (2013)

Used on a Card:

Germany: Sesame Street Special Postmark (2013)

[Incomplete] Russia: Cartoons (2012)

Used on a Card:

Switzerland: Yakari (2012)

Booklet Page Used on a Card:

Monaco: Tintin (2012)

New Zealand: Hobbit (2012)

Maxicard with a Special Postmark from the "Middle of Middle Earth":

Used on a Card: