cover 1875 (19 Jan.) envelope to Suffolk, bearing 1873-80 6d. grey, plate 13, tied by clear strike of the French-type "3710" small figures in lozenge of dots cancellation of Algiers with corresponding despatch c.d.s. at left, rated "6" in manuscript; small portion of flap missing and short filing note on address panel, fine and rare. Richter Certificate (1990). Photo