'You can be sure of Shell - Antiquaries Prefer Shell', advertising poster 1934, after Clifford (1907-1985) & Rosemary (1910-1998) Ellis, printed on paper by Vincent, Brooks, Day & Son Ltd of London, pasted to card, number 416, 76 x 114cm, framed and Perspex glazed, (paper discoloured with some wear in places and staining to upper edge). Lot to be sold without reserve. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing