Artist book / Exhibition catalog with typographical cover and 13 black and white photographic illustrations with portraits of the artists interspersed in the text. The book begins with a short biographical note and an index of the main exposures of Sigmar Polke and ends on the last page with a biographical note and an index of the main exposures of Gerhard Richer. The other texts are a collage of excerpts from Perry Rhodan's novels, newspaper clippings and statements by the two artists. Volume published on the occasion of the exhibition held at the Gelerie h in Hanover from 1 to 26 March 1966. Edition of 500 copies. [Bibliography: AA.VV., Sigmar Polke, Koln, Verlag der Buchhandlung Walther König, 2017; Hubertus Butin - Stefan Gronert, “Gerhard Richter. Editions 1965 - 2004. Catalog Raisonné ", n. 3, p. 126; Andrew Roth - Philip Aarons E. - Claire Lehmann, Artists who make books, London Phaidon, 2017: pp. 234-235] .- United: RICHTER Gerhard - POLKE Sigmar, “Polke / Richter Pop? Kapitalistischer Realismus? ”, Hannover, Galerie h, 1966; 42x59 cm, poster printed on a sheet of pink paper published on the occasion of the inauguration of the exhibition of the two artists, held at the H-Galleries in Hanover on March 23, 1966. Reprint published later. [Bibliography: Ciesielski, Axel und von der Osten, Claus: Sigmar Polke Plakate - Sammlung Ciesielski - 2013, Nr. 3] - Kingdom: RICHTER Gerhard - POLKE Sigmar, "Polke Richter", Hannover, Galerie gh4, 1966; 14.8x9.7 cm., Invitation postcard illustrated with a black and white photographic image, published on the occasion of the exhibition held at the gh4 gallery in Hanover from March 1 to March 26, 1966. Traveled specimen. [Bibliography: Bruno Tonini, Artists invitations 1965 - 1985, Ravenna, Danilo Montanari Editore, 2019: n. 731, p. 406].