Conrad Marca-Relli (Boston 1913 - Parma 2000) "X-L-1-80" 1980 collage and mixed media on canvas cm 157.5x191 Signed at lower left Signed and titled on the reverse Provenance Marisa del Re Gallery, New York Phillips, New York, 15-05-2001 Private collection This work is accompanied by photo-certificate of authenticity issued by Marca-Relli Archive, curated by Galleria d'Arte Niccoli, Parma, with No. MR 6290