31 Juy 2018 Hampton Court Royal Palace Retail booklet
Continuing the Royal Palaces series which included Windsor Castle and Buckingham Palace, Royal Mail have issued a retail booklet contianing Hampton Court stamps.
The self-adhesive book contains two designs from the miniature sheet and 4 x 1st class Machins. The Machins are coded M18L MCIL. The phosphor bands react with a blue glow and on the Machins the transparent security ink fluoresces yellow.
SG booklet number expected to be PM62
No cylinder booklets available at present.