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1924-26 Block Cypher

Controls, constant varieties (Mark) [N] 35(1)20, (Jones) [N] 35(2)40

Experimental paper (Moorcroft) [L] 37(6)112

Mysterious lines on the back (Skelly) [M] 29(5)82, (Mark) [S] 30(2)30

Perforation, missing pins (Price) [M] 28(1)6, (Paul) [N] 28(3)63, (Jones) [S] 29(2)40

Waterlow provisional printing (Wilkinson) [N] 22(1)11, (Wilkinson) [N] 23(4)50

d

Double print, control block of 6 (illustration) (SWL90) [N] 28(2)44

Variety, R?/12, spot on eyebrow (Wilkinson) [N] 32(5)86

break below LF of HALFPENNY (Wilkinson) [N] 27(2)40

Waterlow provisional printing, Perf. C (Wilkinson) [N] 22(4)64

Watermark, sideways-inverted (Bellew) [N] 37(2)38

1d

CANCELLED Type 28 overprint (Candlish) [N] 29(3)42

Control D 25, two positions of (Jackson) [S] 39(2)35

Double print (Mark) [N] 25(4)80

Perf. Type 2c on Control B 24 (Bainbridge) [N] 39(5)99

Plate 19, Control M 30 (Bainbridge) [N] 39(5)99

Roll wrapper, unrecorded, Kermode 1000 (Jackson) [N] 26(1)18

Variety, Control F 26, R20/7, broken inner frame lines at left (Mark) [N] 24(3)40

Plate 7, Control E 26, R20/12, gash in left of crown (Wilkinson) [S] 23(6)83

gash in left of crown, SG Spec. N34f (Mark) [N] 24(3)40

Plate 16, Control M 30, R20/11, dot behind ear (Bainbridge) [N] 39(5)99

R?/11, coloured mark on bridge of nose (Mark) [N] 24(3)40

Watermark, sideways, on booklet pane (Jackson) [N] 30(2)32

1d

Circular flaw (Brooks) [N] 32(2)31

KGV 1d (based on a display to the GBPS on 21 November 1992) (Jones) [L] 31(2)37

Perforation (Jones) [S] 31(2)38

Printed on the gummed side (Jones) [S] 31(2)39

Shades, measurement of (Currie) [M] 38(6)105

Variety, Control M 30, R20/2, coloured speck under E of THREE (Jackson) [N] 26(1)18

Control S 33, R20/1 (Wilkinson) [N] 22(4)64

R20/2, broken left frame opposite tablet (Wilkinson) [N] 32(5)86

Plate 50, R1/12, breaks in cross on crown (Jones) [S] 34(4)80

booklet stamp, No. 1, blot below C (Wilkinson) [N] 30(1)19

No. 5, printing flaw (Jackson) [N] 26(1)18

R2/1, white spot on left scroll (Bainbridge) [S] 48(1)6

distorted E (Wilkinson) [N] 32(5)86

moustache flaw (Wilkinson) [N] 32(5)86

Watermarks (Jones) [S] 31(2)38

2d

Date, earliest used (Kaiserman) [N] 34(6)117

Frame break on roll stamp (Alexander) [N] 21(1)13

4d

Plating and controls (Kinabrew Jun.) [S] 27(4)69

5d

Controls and plates (Kinabrew Jun.) [M] 26(5)82

6d

Controls and plates (Kinabrew Jun.) [M] 23(1)3, (Kinabrew Jun.) [M] 26(5)82

Plate 8, plate marking and controls (Bainbridge) [M] 50(6)131

Plate 9, plate marking and controls (Bainbridge) [M] 50(6)131

Plate marking, unrecorded (Jackson) [N] 26(1)18

Plates used (Jackson) [S] 51(1)24

Variety, bar of A in POSTAGE missing (Wilkinson) [N] 32(5)86

frame break above REVENUE (Wilkinson) [N] 32(5)86

Watermark, inverted, Control M.30 (Mark) [N] 24(3)40

9d

Controls and plates (Kinabrew Jun.) [M] 26(5)82

10d

Controls and plates (Kinabrew Jun.) [M] 26(5)83

Variety, break in lower frame (Kaiserman) [S] 51(6)138

frame breaks on adjacent stamps, SG Spec. N44b/ba (Mark) [N] 24(3)40

1s

Controls and plates (Kinabrew Jun.) [M] 26(5)83

Waterlow provisional printing, Perf. B (Wilkinson) [N] 22(4)64