GB 1993 Machin Definitives Horizontal Format Oct 1993
From Stamps of the World
- Issue Date : 19th October 1993
- Designed by :
- Printed by : Walsall
- Print Process : Lithography
- Perforations :
In preparation for the introduction of self-adhesive stamps, Royal Mail introduced this first self-adhesive to test their popularity. It was printed in a horizontal format so that its use could be monitored in the mail system. This was also the first GB stamp to feature elliptical perforations along the side edges.