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Zomerzegel 1970

With the Zomerzegel of 1970, a yearly edition of summer-stamps, the Netherlands surprised philatelists worldwide: For the first time computer graphics were presented as stamp-motifs.


 Ootje (R. D. E.) Oxenaar

Ootje Oxenaar designed the stamps and developed the five computer graphics in cooperation with the Technical University Eindhoven.

Back then Oxenaar also worked on an innovative design for new Dutch banknotes. In cooperation with the TU Eindhoven he used thin, computer generated lines in the background of the banknoteīs motif to make it unforgeable. These lines were calculated by a mainframe computer and were (in these days) practically not imitable. The mainframe used was TU Eindhovenīs CORA I.
The design process brought up the idea of choosing computer graphics as motifs for a stamp edition.

See images of the dutch banknotes and other work by R. D. E. Oxenaar on the website of the Alliance Graphique Internationale. The postzegelblog has pictures of the plotter used for the stamp motifs.

 »Zomerzegel en Computer«    Summer-Stamps and Computer

On April 7, 1970 the computer graphic stamps were released. The PTT also distributed five first day postcards »Zomerzegel en Computer«:


Zomerzegel 1970: 12 + 8 0

Zomerzegel 1970: 12 + 8

R. D. E. Oxenaar: isometrische projectie van circel naar vierkant (isometric projection from circle to square)

First Day Postcard, 1970
black intaglio overprinting after plotter drawing
on yellow printed paper

idea and program: R. D. E. Oxenaar with TH Eindhoven
generated: 1970, TH Eindhoven, The Netherlands




Zomerzegel 1970: 15 + 10 0

Zomerzegel 1970: 15 + 10

R. D. E. Oxenaar: evenwijdige vlakken in en kubus (parallel planes in a cube)

First Day Postcard, 1970
black intaglio overprinting after plotter drawing
on silver-colored printed paper

idea and program: R. D. E. Oxenaar, centrum voor cubische constructies in cooperation with TH Eindhoven
generated: 1970, TH Eindhoven, The Netherlands




Zomerzegel 1970: 20 + 10 0

Zomerzegel 1970: 20 + 10

R. D. E. Oxenaar: twee schaalverdelingen (two scales)

First Day Postcard, 1970
black intaglio overprinting after plotter drawing
on white paper

idea and program: R. D. E. Oxenaar in cooperation with TH Eindhoven
generated: 1970, TH Eindhoven, The Netherlands




Zomerzegel 1970: 25 + 10 0

Zomerzegel 1970: 25 + 10

R. D. E. Oxenaar: overgangsfasen van concentrische cirkels met oplopende diameter (transitional period of concentric circles with gradient diameter)

First Day Postcard, 1970
black intaglio overprinting after plotter drawing
on blue printed paper

idea and program: R. D. E. Oxenaar in cooperation with TH Eindhoven
generated: 1970, TH Eindhoven, The Netherlands




Zomerzegel 1970: 45 + 20 0

Zomerzegel 1970: 45 + 20

R. D. E. Oxenaar: vier spiralen (four spirals)

First Day Postcard, 1970
white intaglio overprinting after plotter drawing
on silver-colored printed paper

idea and program: R. D. E. Oxenaar in cooperation with TH Eindhoven
generated: 1970, TH Eindhoven, The Netherlands




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 Artistīs Profile

R. D. E. (Ootje) Oxenaar
Robert Deodaat Emile Oxenaar, born 1929 in Den Haag, The Netherlands, graphic designer, studied art in The Hague, worked as professor for industrial design at the TU Delft and for the department of aesthetic design for the PTT (post administration of the Netherlands) between 1970 and 1996.



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Copyright Heike Werner
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