The two events that inspired Royal Mail’s gold Machin stamps – Linn’s Stamp News


Linn’s Stamp News

The two events that inspired Royal Mail's gold Machin stamps
Linn’s Stamp News
The security features added to Machins in 2009 can be seen in this photograph. The four notched U-shaped slits prevent the stamp from being removed from an envelope after use. The iridescent “ROYAL MAIL” overprint was intended to be hard to replicate.

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