The Art & Design department of Royal PTT Nederland NV commissioned Ton to design a variety of projects, among them 3 sets of postage stamps, the one for the Dutch Queen and Prince being the most prestigious one.
• 25th wedding anniversary Queen Beatrix and Prince Claus of The Netherlands (1991)
• 100 years of The Netherlands Institute of Registered Accountancy (1995) *
• 100 years of The Netherlands League of Entrepreneurs in Construction (1995) *.
* German Red Dot Awards for Communication Design
At the occasion of the opening of the main post office in The Hague Ton was commissioned to design the ‘First Day of Issue’ certificate.