The drawings in the exhibition date from 1966 and consist of annotations of ideas for works, some of which were never realized. (artzine.com)
Henri Cartier - Bresson Cuba, 1934 Gelatin silver print; printed c. 1934 6 1/2 x 9 5/8 inches Signed, titled and dated with annotations in pencil on print verso. (howardgreenberg.com)
I am however satisfied with the functionality of the pen for making annotations on the pdfs. (goodereader.com)