iuoma.org – Interested in Mail-Art?

welcome to the International Union of Mail-Artists. This Blog gives you information and links to all activities undertaken by Ruud Janssen, who started with Mail-Art in 1980 and is still active.

Outgoing to Ryosuke Cohen – Japan

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The logo for Pataphysics and IUOMA is now also printed on paper, and the concept goes now arround the world. This envelope goes to Ryosuke Cohen in Japan. He might use it on its brain cell, but you never know which element he uses…… Another envelope goes to Heleen de Vaan in the Netherlands.

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Above a glimpse of the complete envelope. It is going out tomorrow. The last day of the month November. Another year is coming to an end, and the next one comes in rapidly…..

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Mail to Ray Johnson – USA


In the beginning 90-ies I sent this enveloppe to Ray Johnson. Also got replies from him, but only discovered this envelope recently because it is shown on:


A newspaper article in which they tell about the Ray Johnson Estate that has a large website with items from and to Ray.

The envelope also contained the “This part is CENSORED” sticker, which was in the 90-ies part of the first CENSORISM project where I  distributed 20,000 of those stickers into the network.  The last role is documenteed on Facebook. You can see that on:


I distribute the last stickers in batches in small envelopes and ask receivers to make a digital copy of what they do with it. I document that on Facebook, and will make a book documentation out of that to finish the Censorism-project after 2 decades.

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