He later donated Sabart s' collection of works to the Museo Picasso, Barcelona, as a contribution to its initial holding. A series of the works are based on La Celestina by Fernando de Rojas.
Series culminates in a group of erotic scenes of lovemaking - explicit but full of humor.
Engravings are printed by Aldo and Piero Crommelynck in their Mougins studio. This book is published two years before the playwright's death. The working stages that one observes in the engravings from 1968 were determined, as in the earlier periods of his career, by the direct contact with the printers, who followed the quick concentrated manner in which Picasso worked, realizing his desire to see the proofs from the plates immediately. With the exception of brief interruptions, Picasso dedicated himself to his work every day. This way, the 133 works he completed stretch along the 204 days of concentrated activity.