Mobius Poem: Being a Four Dimensional Concrete Sculpture Happening.
 
San Francisco: Two Windows Press, 1969. 1st edition, one of 100 signed and numbered copies. An early sculptural book, in the form of a mobius strip, printed in letterpress on both sides (one side?). Housed in its original white crocodile skin-like box, with a paste-down label on top.
$400 -
 
 
Gray, Don