cover 1929 (5 Mar.) pale blue linen-backed envelope (229 x 155mm.) registered to Dr White-Cooper in Devon, bearing 1921-28 3/- green pair sharing superb c.d.s. and 1d. (defective) with fine SG.2 c.d.s., showing large "REGISTERED" h.s. in violet on face, London and Dartmouth c.d.s. on reverse. A scarce franking and unusual combination of datestamps. Photo