Roman Signer, “Unique Explosion Works Volume 1-3”

Roman Signer * 1938, Appenzell, Switzerland, lives in St. Gallen, Switzerland “Unique Explosion Works Volume 1-3”, catalogue “Raisonné of Works 1971-2002” with case, 2010, special edition of 30 10 x 31 x 25 cm Provenance: from the artist USD 3,000