Multiple artists - Lot of 6 posters for the protests of may

Lot of 6 posters published in 1968 for a publication edited by TCHOU edition.
Designed by :

1. Michel Butor & Bernard Dufour
2. Antonio Segui
3. Bona & André Pieyre de Mandiargues
4. Tim
5. Julio Cortazar & Julio Silva
6. Pierre Guyotat & Leonardo Cremonini

Size : 42 x 30 cm each