Postzegel Nederland 1976, Kinderpostzegel, Olifant CreatorLugtenburg, MarianneDate of creation16 november 1976Collection150 years of designs for the Dutch Postal Services in pictures
Postzegel Nederland 1976, Blok Kinderpostzegels CreatorRaats, JosDate of creation16 november 1976Collection150 years of designs for the Dutch Postal Services in pictures
Ontwerp voor Kinderpostzegel 1976, Olifant CreatorLugtenburg, MarianneDate of creation1976Collection150 years of designs for the Dutch Postal Services in pictures
Etsing- en kleurproef voor Kinderpostzegel 1976 CreatorRaats, JosDate of creation1976Collection150 years of designs for the Dutch Postal Services in pictures
Goedgekeurd proefvel voor het Blok Kinderpostzegels 1976 CreatorRaats, JosDate of creation20 juni 1976Collection150 years of designs for the Dutch Postal Services in pictures