Q104 Febuary, 2012   member 619   Missing Perforation

This 1976 O93b Official stamp (left) was discovered recently to have a missing perforation (lower right). Has anyone seen other examples?

Reply member 122

The stamp is No 61 in the pane of 100 and the missing pin occurs on both the odd and even numbered sheets, leading one to think that a single perforating machine was used for the whole operation. The variety shows on sheets of the 1978 printing and I have sheets numbered19455/6/7/8 and 19461/2/3/4/7/8 dated 24-VI-78 and 28388, 30239 and 31227 dated 25-VI-78 showing the variety. The missing pin is not on any of the sheets I have of the 1977 or 1979 printings, so I am unable to narrow the span further.

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