This page shows examples of a spectacular transient flaw where an irregular shaped piece of paper has adhered to the plate. The adhesion is in the same colour ink as this issue, albeit more concentrated, suggesting it has come into contact with the ink used to print the sheets of stamps.
The flaw has been seen in two different positions, indicating that it shifted on the plate before either being noticed and removed or naturally being loosened off the plate. It is not known which of the two positions (assuming it is in fact the same paper adhesion) came first
Flaw at bottom left
Flaw at top centre



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