All works are authentic and were produced in Madoura.
Each piece of work has an edition monogram or a graphic sign on the reverse side, neck or base; and for some of them has the piece number within a production series.
All works were documented <Picasso – Catalogue of the edited ceramic works 1947 – 1971>, published by Madoura, 1988
Each piece of work is accompanied by:
A Certificate of Authenticity from Leona Craig art gallery
A Certificate of Authenticity from Artron