1d Die 1a
Control, SH with missing period (Jackson) [N] 33(6)109
— with added period (Jackson) [N] 33(6)109
Controls (Jackson) [M] 26(4)73
— Somerset House (Jackson) [M] 23(6)86
Paper trials, Control A.11 (Jackson) [S] 23(6)87
Perf. 14 (Jackson) [L] 50(4)73, (Kaiserman) [M] 50(6)133, (Kaiserman) [M] 52(3)71
Plate 2 and 7 the same (Wilkinson) [N] 24(3)39
Plate markings (Jackson) [M] 26(4)71
Plates, study of (Jackson) [L] 26(4)68
Varieties, plate (Jackson) [M] 26(4)72
Variety, spot on eye (Wilkinson) [N] 32(5)86