Six Mail Art Projects/Zes Post-Kunst Projekten [Rubber, Vol. 3, nos. 7-9 (July-September 1980)].
Black & white illus. throughout. Unpaginated. 8vo, illustrated soft cover (extremities a little worn). Amsterdam: Stempelplaats, 1980.
Uncommon and important issue of Rubber. Produced in an edition of 500 copies. Near fine. More