Postzegel Nederland 1959, Zomerpostzegel, Thema Deltawerken, Draglines CreatorHorn, LexDate of creation11 mei 1959Collection150 years of designs for the Dutch Postal Services in pictures
Postzegel Nederland 1959, Zomerpostzegel, Thema Deltawerken, Caisson met slepers CreatorHorn, LexDate of creation11 mei 1959Collection150 years of designs for the Dutch Postal Services in pictures
Postzegel Nederland 1959, Zomerpostzegel, Thema Deltawerken, Baggermolen CreatorHorn, LexDate of creation11 mei 1959Collection150 years of designs for the Dutch Postal Services in pictures
Postzegel Nederland 1959, Zomerpostzegel, Thema Deltawerken, Rijswerkers CreatorHorn, LexDate of creation11 mei 1959Collection150 years of designs for the Dutch Postal Services in pictures
Postzegel Nederland 1959, Zomerpostzegel, Thema Deltawerken, Zandspuiters CreatorHorn, LexDate of creation11 mei 1959Collection150 years of designs for the Dutch Postal Services in pictures