Enveloppe met luchtpostzegel Nederland 1921, 10 cent steenrood CreatorJoh. Enschedé en ZonenDate of creation1921Collection150 years of designs for the Dutch Postal Services in pictures
Enveloppe met luchtpostzegel Nederland 1921, 15 cent groen CreatorJoh. Enschedé en ZonenDate of creation1921Collection150 years of designs for the Dutch Postal Services in pictures
Enveloppe met luchtpostzegel Nederland 1921, 60 cent blauw CreatorJoh. Enschedé en ZonenDate of creation1921Collection150 years of designs for the Dutch Postal Services in pictures