This was the invitation for Event One, March 1969, created by computer artist, Alan Sutcliff, who recently passed away.

The invitation was done in the same manner as his computer poetry. Courtesy MSU Zagreb and CAS. Also see
http://dada.compart-bremen.de/item/artwork/735 and an obituary written by Bronac Ferran http://www.boundaryobject.org/id5.html