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Catalogue code: MZ126
The Golden Anniversary Celebration Stamp Sheet features seven stamps:
5p – A range of low-value stamps, including 5p, was issued on ‘Decimalisation Day’, 15 February 1971.
20p – The double-head 20p stamp was issued as part of a range of values on 10 January 1990 to celebrate the 150th anniversary of the Penny Black.
1st Class – On 19 October 1993, the first self-adhesive stamp issued by Royal Mail appeared in books of 20. The format was landscape.
1st Class – On 6 January 2000, a new setting of the Machin portrait on a white background was issued to mark the millennium.
1st Class – A change to the way postal charges were calculated, known as ‘Pricing in Proportion’, led to the release of new 1st and 2nd Class definitives on 1 August 2006.
1st Class – On 3 January 2013, the colour of the 1st Class Machin definitive was changed from gold to red with an iridescent overprint.
£1 – This £1 stamp, issued on 5 June 2017, is based on the high-value range of 1969 and is printed using gold foil.
Design Atelier Works
Stamp sheet size 192mm x 74mm Stamp format Portrait, except the 1993 stamp: landscape
Stamp size 20mm x 24mm, except the 1993 stamp: 25mm x 20mm, and the 2017 stamp: 30mm x 35mm Printer International Security Printers
Print process Gravure, with gold foil used on the £1 stamp
Perforation 15 x 14, except the 1993 and 2017 stamps: 14 x 15
Phosphor Bars as appropriate