Authentication of the Master on photograph, Paris 16 May 1977. On the back of the canvas label XXVII Biennale Internazionale des Beaux Arts Venise 1954. Exhibitions: XXVII & nbsp; Venice International Biennale 1954, room X, cat. p. 100, no.24 with the title "Case ad Avray". Gilded and lacquered frame.