1912-50 Imperf SG #6Aa, 1s blue-green irregular block of 9, trivial thinning upper-left unit, fine unused, Cat £600+. (Image1)

Estimate AU$300

1912-50 Imperf SG #6Aa 1s blue-green horizontal & vertical pairs, both with wavy-line telegraphic cancels, Cat £400+. (2 pairs) (Image1)

Estimate AU$260

1914-(?) Imperf SG #8Ab 8tr carmine-pink corner marginal example tied to unaddressed cover by Lhasa CTO datestamp. (Image1)

Estimate AU$380

1933-60 Imperf SG #9Be ½tr bistre-yellow Setting III complete sheet of 12, fine unused. (Image1)

Estimate AU$260

1933-60 Imperf SG #9Bf ½tr yellow marginal block of 4, pinhole upper-left unit, trivial thins left margin, centrally struck Gyantse cancel, Cat £104++. (Image1)

Estimate AU$110

1933-60 Imperf SG #10Bb, â…”tr deep blue setting III complete sheet of 12, Gyantse CTO cancels. (Image1)

Estimate AU$220

1933-60 Imperf SG #11Bb, 1tr light brown-orange setting IV complete sheet of 12, fine unused (Image1)

Estimate AU$220

1933-60 SG #12B&13B use of imperf 2tr scarlet pair and single 4tr emerald-green on separate internal covers sent from Lhasa. (2 covers) (Image1)

Estimate AU$75

1933-60 Imperf SG #12Ba 2tr rose-carmine (pale shade) tied by Medagongkur cancel to internal cover. (Image1)

Estimate AU$170

1933-60 Imperf SG #12bc, 2tr orange setting IIa, complete sheet of 12, fine unused. (Image1)

Estimate AU$190

1933-60 Imperf SG #13Bd, 4tr deep blue-green setting II, complete sheet of 12 unused. (Image1)

Estimate AU$150