1534
cover 1879 (15 July) XU5 (170x99mm.; slightly reduced at left) registered to London, bearing 1863-71 CC 4c. wing-margin pair and 12c. (4, two torn) cancelled by three strikes of "S1" obliterator, showing "SHANGHAI" c.d.s. with red "R" in circle and, on reverse, Hong Kong transit c.d.s. Some creases and grime but an unusual franking. Ex Roosevelt. Photo

细节
cover 1879 (15 July) XU5 (170x99mm.; slightly reduced at left) registered to London, bearing 1863-71 CC 4c. wing-margin pair and 12c. (4, two torn) cancelled by three strikes of "S1" obliterator, showing "SHANGHAI" c.d.s. with red "R" in circle and, on reverse, Hong Kong transit c.d.s. Some creases and grime but an unusual franking. Ex Roosevelt. Photo