Milano: MEC, 1971. Square 4to (25 x 23 cm) in saddle-stapled wraps. Unpaginated (24 pp.) Offset printed in green and pink.
The second issue of Mec with concrete and visual poetry contributions by Maurizio Spatola, Henri Chopin, Jochen Gerz, Heinz Gappmayr, Ugo Locatelli, J. F. Bory, Clemente Padín, Kitasomo Katué, Gérald Rocher, Shimizu Toshihiko, Caudio, Parmiggiani, Michele Perfetti, Salvatore Passarella, Jirí Valoch, Fernando Milan, and Bertini himself who also edited and organized the magazine.
Very good with trace amounts of foxing along top and bottom margins and rusting to staples. Item #388