Watermarks
Imperial Crown, 480‑Crown sheets, varieties of (Pusterla) [N] 45(4)95
— survey of paper types (Pusterla) [L] 37(3)53, (Pusterla) [L] 37(4)76, (Pusterla) [L] 37(5)86
KEVII, 1d, bottom row higher (Wlodarczyk) [M] 55(5)108
— — missing (SG 272a) (Brooks) [M] 27(5)81, (Wiseman) [N] 28(1)17
— 2s 6d, watermark inverted (Bird) [N] 33(2)40
— 4d bi‑coloured, inverted (Powell) [N] 22(1)13, (Powell) [N] 25(1)20
— Imperial Crown, relative positions (Pusterla) [L] 22(2)27, (Pusterla) [S] 23(4)60
— — watermark displacement (Harvey) [S] 57(5)114
— inverted on sheet stamps (Powell) [N] 21(4)44
— marginal (Powell) [M] 22(4)62
— ½d, inverted, Control A11 (Wolfson) [N] 35(2)39
KGV, 2½d, missing crown (Osborne) [S] 61(4)96
— Block Cypher, 1d, watermark sideways, on booklet pane (Jackson) [M] 30(2)32
— — 1½d (Jones) [L] 31(2)35
— — 6d, inverted, Control M.30 (Mark) [N] 24(3)40
— — ½d, inverted with perforation Type 3A and Control A24 (Wlodarczyk) [M] 55(5)109
— — — watermark sideways‑inverted (Bellew) [N] 37(2)38
— Downey Head, letter codes (Jackson) [S] 28(5)108
— — orientation, on booklet panes (Jackson) [S] 27(3)60
— — ½d Die A, inverted (Jackson) [N] 26(1)15
— Photogravure, 1d, inverted on sheet‑printed stamps (Russell) [M] 34(5)94
— — 1½d, inverted on sheet‑printed stamps (Russell) [M] 34(5)94
— — 3d, inverted (Russell) [L] 34(1)4, (Russell) [M] 34(5)94
— — 4d, inverted (Russell) [L] 34(1)4, (Russell) [M] 34(5)94
— — inverted on sheet‑printed stamps (Wilson) [N] 35(3)59, (Russell) [C] 37(5)100, (Jackson) [C] 38(1)20
— Royal Cypher, 1½d (Jones) [L] 31(2)35
— — 1½d, distorted (Gledhill) [S] 57(2)29
— — 2d, misplaced (Mark) [N] 24(3)40
— — 5d, inverted (Wilkinson) [S] 29(1)15
— — 9d, inverted, Control O20 (Verney) [N] 24(3)48
— — letter codes (Jackson) [S] 28(5)114, (Jackson) [S] 29(1)19, (Jackson) [S] 29(3)58, (Strong) [N] 29(4)78
— — paper no watermark (Baker) [M] 48(1)24
— watermarked papers (Jackson) [L] 28(5)106
KGVI, Coronation 1½d, varieties (Restall) [M] 36(2)26
Large Crown, Type 1, when was it exhausted? (Batty) [M] 46(2)31
— Types 1 & 2, further thoughts (Messenger) [M] 43(2)25
— — survey (Maushammer) [L] 43(1)19
— paper (Madden) [L] 30(3)42
Light for viewing (Viewlite) (Dagnall) [S] 39(5)100
Multiple Crown, paper (Barnes) [M] 58(3)68
QEII, Castles, inverted (Spens) [M] 28(5)102, (Spens) [S] 29(2)38, (Wilson) [N] 29(2)38
— castles, 2s 6d, De La Rue, inverted (Shaw) [M] 55(2)36
QV, 1d plates, Large Crown reversed (Mollett) [M] 39(1)18
— Jubilee, ½d, dandy roll letter F (Pusterla) [S] 43(2)27
— — — inverted (Pusterla) [S] 43(2)27
— Large Crown Types 1 and 2, hybrid paper (Madden) [S] 29(3)51
— line engraved, 1d imperf, Plate 10, inverted (Lewthwaite) [S] 39(4)70
— — 1d stars, reversed (Madden) [M] 35(5)81
— — — reversed, on TG (Taylor) [M] 38(4)71
— line‑engraved, 1d Die 1 (Madden) [M] 34(1)1
— surface printed, 1s, Emblems, inverted & reversed (Child) [N] 25(5)87
— — — — reversed watermark (Meir) [N] 33(4)73
— — 3d, Plate 2 first printing, inverted (Wood) [N] 21(4)56
— — 4d, Large Garter on thick glazed paper, inverted (Kent) [N] 37(5)98
— — — SG J51, inverted & reversed (Bolzan) [N] 24(2)22, (McLennan‑Smith) [N] 24(5)78
— — 6d, Emblems, errors (Louis) [M] 33(4)76
— — — inverted and reversed (Blank) [N] 28(5)101
— — — inverted and reversed, NJ (Maushammer) [S] 29(1)18
— — — — NL (Maushammer) [N] 25(4)79
— — — inverted, NJ (Child) [N] 25(5)87
— — changes of watermark (Walker) [N] 29(3)58
Simple Cypher, types (Bolzan) [L] 25(1)4
Telegraphs, 3d, Plate 3, watermark Spray inverted (Bird) [N] 37(2)37
— — watermark inverted (Bird) [N] 33(2)40
Watermarks, Large Crown, hybrid (Maushammer) [M] 42(4)84