| XXI/3 |
1855 1d red new die, proof from rejected die and re-engraved by William Humphrys
|
| XXI/4A |
1855 1d red new die, comparative photographs
|
| XXI/4B |
1855 1d red new die, comparative photographs
|
| XXI/5 |
1856 1d red official imitation
|
| XXI/6 |
1840-1841 1d late die proof
|
| XXI/7 |
1860 1½d essay
|
| XXI/8 |
1860 1½d essay
|
| XXI/9 |
1860 1½d die proofs
|
| XXI/10 |
1860 1½d rosy mauve
|
| XXI/11 |
1860 and 1870 1½d, with 1872 1½d embossed used for postal stationery
|
| XXI/12 |
1865 1d Royal Reprints
|
| XXI/13 |
De La Rue artist's essays for the ½d line-engraved
|
| XXI/14 |
1864 1d red and 1858 2d blue Paris Exhibition proofs
|
| XXI/15 |
2d blue line-engraved colour trials taken from the 1d red plate 75
|
| XXI/16 |
De La Rue artist's drawings for the 1870 ½d line-engraved
|
| XXI/17 |
De La Rue artist's drawings for the 1870 ½d line-engraved
|
| XXI/18 |
1870 ½d line-engraved engine-turned background
|
| XXI/19 |
Colour trials for the 1870 1½d
|
| XXI/20 |
1870 ½d line-engraved colour trials made from the trial plate of the New South Wales 1856 2d
|
| XXI/21 |
1870 ½d line-engraved colour trials made from the trial plate of the New South Wales 1856 2d
|
| XXI/22 |
1870 ½d line-engraved colour trials made from the trial plate of the New South Wales 1856 2d
|
| XXI/23 |
1870 ½d line-engraved colour trials made from the trial plate of the New South Wales 1856 2d
|
| XXI/24 |
1870 ½d line-engraved die proofs
|
| XXI/25 |
1864 1d red and 1870 1½d line-engraved plate proofs on Dr Perkins' experimental blued paper
|
| XXI/26 |
1864 1d red and 1869 2d blue plate proofs on experimental blued paper
|
| XXI/27 |
1869 2d blue plate proofs on experimental blued paper
|
| XXI/28 |
1867 3d, 1865 4d and 1/- and 1869 6d plate proofs on experimental blued paper
|
| XXI/29 |
1d black, 1d red Ormond Hill die proofs
|
| XXI/30 |
1d black, 1d red and 2d blue Ormond Hill die proofs
|
| XXI/31 |
1d black, 1d red, 2d blue and 1½d Ormond Hill die proofs
|
| XXI/32 |
½d, 1½d and 2d blue Ormond Hill die proofs
|
| XXI/33 |
2d die II Ormond Hill die proofs
|
| XXI/35 |
½d line-engraved Ormond Hill die proofs
|
| XXI/36 |
1d line-engraved Ormond Hill die proofs
|
| XXI/37 |
1½d line-engraved Ormond Hill die proofs
|
| XXI/38 |
2d blue die II line-engraved Ormond Hill die proofs
|
| XXI/39 |
South Kensington Exhibition 1855 1d red line-engraved die II proof
|
| XXI/40 |
Pages from the 'British Philatelist' illustrating 1874 essays for a ¼d (farthing) stamp with the related article
|
| XXI/41 |
Perkins, Bacon essays for a line-engraved ¼d (farthing) stamp
|
| XXI/42 |
De La Rue essays for a line-engraved ¼d (farthing) stamp
|
| XXI/43 |
De La Rue essays for a line-engraved ¼d (farthing) stamp
|
| XXI/44 |
Perkins, Bacon trials for fugitive colours from the ½d, 1d red die II, 1½d and 2d blue die II line-engraved
|
| XXI/45 |
Perkins, Bacon plate proofs of the 1870 ½d, 1864 1d red and 1869 2d blue line-engraved, fugitive colours
|
| XXI/46 |
Guildhall Exhibition reprinted die proofs of the 1d and 1½d line-engraved
|
| XXI/47 |
Earl of Crawford proof of the 1d line-engraved rejected die
|
| XXI/48 |
Perkins, Bacon proofs of the 1d line-engraved rejected die
|
