Limited edition exhibition catalog.
Geh durch den Spiegel, Volume n°20, Richard Mortensen.
Published in 1960 on the occasion of an exhibition by the Galerie der Spiegel in Cologne, West-Germany.
With 6 original serigraphs, three enclosed loosely and three tipped in.
The serigraphs were printed by the atelier from Poldi Domberger in Stuttgart, West-Germany.