Now, it is the turn of comics with the announcement that a series of superhero special stamps will be available in March 2019.

In an age when sentimental declarations can be easily sent with the click of a button, there is something truly meaningful about receiving a thoughtful card or a loving letter through the post.

Rare finds, specialist dealers and world-class collections will feature at an event that has established itself as one of the most important stamp collecting dates in the philately calendar.

Royal Mail has enjoyed a long tradition of celebrating occasions of national significance and marking momentous moments in Great Britain’s history.