27 November 2013
    
        
        The Sealed Door, signed with a cipher and dated 1926, also further signed, titled and numbered "N 3" on the reverse.                
        Pencil and gouache on card, 37 by 27 cm.
        30,000–50,000 GBP
    
Provenance: Private collection, France.
        Notes on symbols:
* Indicates 5% Import Duty Charge applies.
Ω Indicates 20% Import Duty Charge applies.
§ Indicates Artist's Resale Right applies.
† Indicates Standard VAT scheme applies, and the rate of 20% VAT will be charged on both hammer price and premium.