Hedgehogs - Kinderpostzegels (1967)
Format: Postage stamp
Year: 1967
Fairytales - Kinderpostzegels (1968)
Format: Postage stamp
Year: 1968
Finland - Anti-TB (1965)
Format: Cinderella stamp
Year: 1965
Childhood Creativity - Kinderpostzegels (1964)
Format: Postage stamp
Year: 1964
Elements of the Children's World - Kinderpostzegels (1971)
Format: Postage stamp
Year: 1971
Elements of the Children's World - Kinderpostzegels (1971)
Format: Postage stamp
Year: 1971