On the arrival of another batch of low value Security Machins I've updated the earlier message regarding variations in phosphor positioning.
Incidentally, the date and sheet number printed on these sheets can be 3mm or 2.5mm high on the same value and the same date.
Ilminster yet again (part 1)
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Some more Ilminster starting with an undelivered envelope that had to be
opened by the Post Office to find a return address in September 1962. It
was al...
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