Postzegel Nederland 1995, Nobelprijswinnaars, J. Tinbergen CreatorSierman, Harry NicoDate of creation26 september 1995Collection150 years of designs for the Dutch Postal Services in pictures
Postzegel Nederland 1995, Nobelprijswinnaars, F. Zernike CreatorSierman, Harry NicoDate of creation26 september 1995Collection150 years of designs for the Dutch Postal Services in pictures
Postzegel Nederland 1995, Nobelprijswinnaars, P.J.W. Debye CreatorSierman, Harry NicoDate of creation26 september 1995Collection150 years of designs for the Dutch Postal Services in pictures