Le Petit Cobra. Bulletin International d'Informations Artistiques, nr. 3, Printemps 1950, and nr. 4, Hiver 50-51, Bruxelles 1950, only 4 issues were published, nr. 3 and 4, the last two issues, nr. 3 with linocut by Alechinsky and nr. 4 with monotype by Collignon on cover, in very good condition, 218 x 140 mm. (2)