The present work is a unique studio proof from the collection of Hidalgo Arnera, the master printer to Pablo Picasso. The present work is accompanied by another unique studio proof.

The present work printed from the first state of 'Premiers plateaux: le ciel et Lac' (sky and lake block) and the second state of 'Deuxième plateau: le sol' (landscape block) in green over the first state in brown. Unrecorded by Baer with such a combination of plates. Annotated by the printed, Hidalgo Arnéra, in the top and right margins.

The other studio proof is printed from the second state of 'Premiers plateaux: le ciel et lac (sky and lake block) in black and the second state of 'Deuxième plateau: le sol' (landscape block) in green directly on paper. Unrecorded by Baer with such a combination of plates. Annotated by the master printer Hidalgo Arnéra, with what appear to be printing measurements, 'H 15/ 3éme' in pencil.