1864 1d Red 'Plates'
'PO/Dept' overprint (Barrell) [N] 37(2)37
Cape Verde, 'gold standard' mixed franking (Annakin‑Smith) [L] 60(4)78
Corner letters, how were they entered? (Kirk) [M] 23(4)50
OUS overprint (West) [M] 53(1)1
On cover, early collector of (Najjar) [M] 48(4)84, (Burn) [S] 48(6)137
PRO records (Wiseman) [S] 35(5)86
Perforation, 1875 continuous feed experiment (Simpson) [M] 55(2)25
— quadruple on Plate 225 (Taylor) [M] 39(1)16
Plate 73, repair on BC (Hollins) [M] 34(5)90
Plate 77 (Najjar) [L] 47(5)98, (Najjar) [L] 47(6)131, (Batty) [M] 48(1)7
— (page numbered 25 in error) (Najjar) [L] 47(4)73
— document IR 79/79 (Wiseman) [S] 48(1)7
— incl. survey of known examples (Clarke) [L] 48(2)42
— request for, 1898 (Griffin) [S] 48(4)91
— used on piece with 4d (illustration) (SWL90) [N] 28(2)33
Plate 111, cancelled 'C88' (H & B Philatelists Ltd) [N] 28(1)16
Plate 124, repair to (Hollins) [L] 35(1)1
— repaired impressions (Hollins) [N] 33(5)81
Plate 129, plate flaw (Robinson) [N] 21(4)56, (Oliver) [N] 23(4)64
— study (Hollins) [L] 38(6)108
Plate 171, NA, flaw (Jackson) [N] 28(5)100
Plate 172, bold perforation pinning cross (Simpson) [M] 55(2)25
Plate 193, SK, repaired impression (Hollins) [M] 36(3)41
— date of putting to press (Messenger) [C] 36(4)80
— repair to (Hollins) [M] 36(3)41
Plate 201, repaired impressions (Hollins) [L] 33(5)81
Plate 209, complete sheet (Jackson) [N] 33(5)94
Plate 225, LK, flaw (Robinson) [N] 28(4)81
— corner pair (Jackson) [N] 33(1)19
— quadruple perforation (Taylor) [M] 39(1)16
Plate repairs (Najjar) [L] 51(2)40
Plates, list of (Messenger) [L] 35(4)62, (Simpson) [L] 35(5)86, (Messenger) [C] 36(1)18, (Hollins) [C] 36(2)25
Proofs, reversed (Claridge) [M] 44(5)114
Watermarks, Large Crown, reversed (Mollett) [M] 39(1)18