1872-75 20pa blue, perf. 12 1/2 x 13 1/3 mint block of four, very fine (Image)

1872-75 2 1/2pi violet, mint block of four, fresh, very fine & a scarce multiple (Image)

10pa grey, perf. 13 1/2 x 12 1/2, mint block of twelve, fresh, very fine & a scarce multiple (Image)

1pi red, mint block of twenty, fresh, very fine & a scarce multiple (Image)

2pi yellow, mint showing double perforations variety, rough perfs., a scarce unrecorded variety (Image)

1874 5pi green, mint block of four, fresh, very fine & a scarce multiple (Image)

1922 Essays of Harrison & Sons, 15m blue, large format, bottom sheet marginal block of four, on ungummed unwmkd paper, very fine (Image)

1922 Essays of Harrison & Sons, 15m blue, large format, top sheet marginal block of four, on ungummed unwmkd paper, very fine (Image)

1922 Essays of Harrison & Sons, 15m yellow, small format, a top sheet marginal block of six, on gummed wmkd paper, very fine (Image)

1922 Essays of Harrison 50m brown, sheetlet of four, very fine & scarce (Image)

1922 Essays of Harrison & Sons, £E1 essay in green, mounted on card, very fine and rare (Image)

1922 Essays of Harrison & Sons, £E1 essay with light-brown frame and brown centre, mounted on card, very fine and unique in this colour combination (Image)

1927-37 Second Portrait 1m orange, type I,Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/26", very fine & scarce (Image)

1927-37 Second Portrait 2m pale black, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/27", very fine & scarce (Image)

1927-37 Second Portrait 3m pale brown, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/28", very fine & scarce (Image)

1927-37 Second Portrait 3m pale brown, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/37", very fine & scarce (Image)

1927-37 Second Portrait 3m deep blue-green, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/30", very fine & scarce (Image)

1927-37 Second Portrait 4m pale yellow-green, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of six "A/28", very fine & scarce (Image)

1927-37 Second Portrait 5m dark red-brow, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/27", very fine & scarce (Image)

1927-37 Second Portrait 5m light brown, mint nh top right corner marginal block of six, showing misperforated, light double impressions and trace of offsets, very fine, unusual and scarce (Image)

1927-37 Second Portrait 10m pale rose-red, type I, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/25", very fine & scarce (Image)

1927-37 Second Portrait 10m orange-red, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of six "A/30", very fine & scarce (Image)

1927-37 Second Portrait 10m violet, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/34", very fine & scarce (Image)

1927-37 Second Portrait 13m rose, type II, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of six "A/32", very fine & scarce (Image)

1927-37 Second Portrait 15m ultramarine, type I, Royal oblique perforation mint nh bottom left corner sheet marginal plate block of four "A/26", very fine & scarce (Image)