Die Proof: 1/2 tr. Dark Blue, trio comprising two unused proofs plus proof tied to small piece by LHASA cancel, scarce (Image)

Die Proof: 1/2 tr. Dark Blue, cliché 5, unused, scarce (Image)

Die Proof: 1/2 tr. Dark Blue, cliché 5, unused, scarce (Image)

Die Proof: 1/2 tr. Dark Blue, cliché 3, unused, scarce (Image)

Die Proof: 1/2 tr. Dark Blue, cliché 3, lightly used, scarce (Image)

Die Proof: 1/2 tr. Dark Blue, plus issued 1/2 tr. Yellow, 1 tr. Pale Rose Carmine, 2 tr. Pale Scarlet, and perforated 4 tr. Emerald, all tied by LHASSA cds on large cover sent by British Political Officer for Tibet B.J.Gould, vertical cover crease does not affect the stamp designs, a spectacular and unique item, cert. Olsson (Image)

Die Proof: 1/2 tr. Prussian Blue, both clichés 3 and 5 with wide margins, unused, superb and scarce, cert. Olsson (Image)

Die Proof: 1 tr. Lake, unused proof sheetlet, only three examples recorded, cert. Olsson (Image)

Perforated Issue: The four values 1/2 tr. to 4 tr, unused, fresh and fine (Image)

Perforated issue: 2/3 tr., 1 tr., 2 tr., 4 tr., plus imperforate 1/2 tr. tied to piece by old-type LHASSA cancel, unusual on 1933 issue (Image)

Complete basic set of the five imperforate values, tied to fragment by LHASA cancel (Image)

Complete set of the five values, all imperforate, tied to large fragment by GYANTSE cancel (Hel. T41), includes the very rare 1/2 tr. Light Yellow-Ochre (only a few examples are known, W111), others are W131, W144, W173 and W207a, a scarce item, cert. Olsson (Image)

1/2 tr. Orange, setting I, perforated, unused complete sheet of 12, very rare, cert. Dahnke (Image)

1/2 tr. Bright Chrome, setting IIa, unused complete sheet of 12, cert. Flack (Image)

1/2 tr. Bright Chrome, setting IIa, unused complete sheet of 12 (Image)

1/2 tr. BISTRE, setting II, clichés 12 5, vertical pair cancelled by PHARI (Hel. T44) cds, very rare printing, could even be considered as Yellow-Ochre, cert. Flack (Image)

1/2 tr. YELLOW-BISTRE, setting IIb, unused complete sheet of 12, light creasing, a very rare shade, cert. Olsson (Image)

1/2 tr. YELLOW-BISTRE, setting III, unused complete sheet of 12, small brown spot in margin mentioned for accuracy only and of no importance for this very rare block, cert. Olsson (Image)

1/2 tr. Bright Chrome-Yellow, setting III, unused complete sheet of 12 (Image)

1/2 tr. Bright Chrome-Yellow, setting III, unused complete sheet of 12, cert. Flack (Image)

1/2 tr. Bright Chrome, setting III, unused complete sheet of 12 (Image)

1/2 tr. Yellow, setting III, unused complete sheet of 12, cert. Flack (Image)

1/2 tr. Yellow, setting III, unused complete sheet of 12, usual little blue mark on top left example (Image)

1/2 tr. Yellow, setting III, unused complete sheet of 12, interesting smudgy print at top left (Image)

1/2 tr. Yellow, tied to piece by early LHASSA (Hel. T15) cancel, this cancellation is rarely seen on the 1933 issue, cert. Flack (Image)