1928, 'Ille de France' 10 Fr. on 90 centimes and 10 Fr. on 1,50 francs, each with additional franking, with special cancel "NEW YORK AU HAVRE" of August 23rd resp 24th 1928, on cover to Paris resp. registered cover to Martel. A fine and attractive pair. Certificate Philatelic Foundation (1983) resp. Bloch (1972).