VAN ROOY, W[alter]. Ruimte Z.

(Antwerp): W. Van Rooy, 1979.  First edition.  Quarto. Ten stapled sheets.  Issue 6 of this cool publication from the hip gallery Ruimte Z.  This issue devoted to stamp art with contributions by  Guillaume Bijl, Georges Smits, Daniel Dewaele, Dannydevos, Jonas Wille, and others.  A very good copy, stapled sheets, addressed in ink, and mailed.  Scarce.