1879 16c PLATE PROOF IMPERFORATE SHEET OF 10 in black on thin surfaced card, trivial faults (edge thinning at extreme left, not affecting impressions, pressed creases at right) but a unique item of the highest importance, ex Col. Danson (RL 30/6/71, lot 2068) (Image)

1880 (Aug) "8" on 12c carmine showing INVERTED SURCHARGE, type 2 (single numeral) surcharge with original value obliterated in red, upper right corner example (pos. 5), mint og, very fine and rare, ex Charles Taylor (May 1990) (Image)

1881 (Jun) 8c on 12c carmine, type 5 surcharge, in mint og complete sheet of 10 from the corrected first setting (after removal of the 'Eighr' error from R2/1), showing pantograph variety "No right foot to second Chinese character character" at R2/3, stamps mint nh, very fine and very rare, easily the finest of just three recorded sheets of this stamp in private hands (one of which is from the second setting), ex Cassels, Lahner (Spink 12/3/97, lot 326, realised £2'875) and Cmdr Burnett (CRL 23/10/84, lot 501). (Image)