MALTA½dHalfpenny Yellow · Crown CC, clean perf 12½Immaġni mhux disponibbli
18711871 / Wirt
Halfpenny Yellow · clean-cut perforation 12½
Clean-cut perforations separate this supply from the rough-cut type. Its invoice dates from July 1870, but Bonnici records its public release in Malta in May 1871.
1 rekords ta’ bolli · ½d
Structural paper/watermark/perforation group, with ordinary colour printings grouped. Not a specialised shade, individual-supply, error, proof, specimen, watermark-orientation or pane-position listing.
- Alfred Bonnici · Halfpenny Yellow study, chapter 4 (1977) ↗
- A. J. Séfi, The Postage Stamps of Malta (1913), chapters III and XV–XX: original sheet arrangements and plate marks ↗
- Henry Collin and Henry L. Calman, A Catalogue for Advanced Collectors, Part VII, Smithsonian Libraries scan, printed pp.427–428: halfpenny reference size and thin/thick wove papers ↗