1901 / Heritage
A missing inter-pane perforation line leaves an extra-wide attached margin below a row of single-Crown-CA harbour farthings.
1 stamp records · ¼d
One observed paper-family/omitted-edge combination. The attached gutter margin is essential; a trimmed loose stamp is not sufficient identification.
Research notes: The issue-year heading anchors the original design, not the first occurrence of the error. The individual stamp carries an explicit bounded unknown date.
Harbour farthing · omitted lower gutter perforation
Omitted marginal perforation