Roberto Crippa (Monza 1921 - Bresso 1972) "Spirale" 1951 oil and mixed media on canvas 60x80 cm Signed and dated 1951 on the reverse Provenance Alexander Iolas Gallery, New York Private collection, Milan This work is accompanied by photo-certificate of authenticity issued by Roberto Crippa Jr. with no. ADN. F/2/II/XXVII/02 This work is accompanied by certificate of authenticity on photograph issued by Gimmi Stefanini dated 18-4-2025