1935, 12th International Congress of the League for Women's Rights, 12 ½ + 12 1/2 k Woman Pilot type, four imperforate blocks of six colour proofs in blue, green, brown, and black, each sheet hinged in upper left corner only, the green sheetlet with light diagonal crease in upper left corner, clear of impressions, otherwise fresh and very fine. (Isf 1328var)
