- 
      
        
          
        
      
      Signed in pencil by the artist lower left; numbered in pencil “53/75” lower right. This impression is identified in the artist's Catalogue Raisonné: RMM307 (‘Les Estampes’, Rainer Michel Mason, 2010) Printed at Atelier Polígrafia, Barcelona Published by Ediciones Polígrafia, Barcelona 
 
                        