[Incomplete] USA: DC Comics (2006)

Used on Covers:

France: Babar (2006)

[Appendix] Japan: Detective Conan (2006)

Used on a Card with a Special Postmark of 2018:

USA: Animals in Children's Books (2006)

It is a joint issue with the United Kingdom.

United Kingdom: Animals in Children's Books (2006)

It is a joint issue with the USA. The stamp with the Very Hungry Caterpillar stamp has two holes.

Used on a Card: