30. 30AR SALVADOR DALÍ (1904-1989) Head of an ox signed, dedicated and dated 'Pour Monsieur Billard / Hommage de / Dalí 1966' (centre) felt pen on painted papier-mâché mask Painted in 1966 26,5 x 28,5 x 14 cm. 10 7/16 x 11 1/4 x 5 1/2 in. The authenticity of this work has been confirmed by Nicolas and Olivier Descharnes. Provenance Lucien Billard Collection, France. Private collection, France (by descent). Lucien Billard (1918-2006), appointed director of photography for Jean Christophe Averty (1928-2017), director of the film Autoportrait mou de Salvador Dalí co-directed with Robert Descharnes (1926-2014) during the summer of 1966 in Port Lligat, released in 1969. M. Lucien Billard (1918-2006), cinematographer regularly working with Jean-Christophe Averty (1928-2017), director of the film Autoportrait mou de Salvador Dalí, co-directed with Robert Descharnes (1926-2014), shot during the summer of 1966 in Port Lligat and released in 1969.