Sunday 4 September 2016

Stamps with Thermochromic Ink Printing - Update

Category -  Touch / Sight
Subcategory - Stamps with Thermochromic Ink Printing / Personalised Stamps 

UK 2007 Harry Potter Smilers Sheet with Thermochromic Ink printing




Issue Date 17 July 2007

Royal Mail has issued a Harry Potter Smiler Sheet to coincide with the publication of the Last Harry Potter book which would be released on 21 July 2007. The sheet contains 4 x5 1st Class stamps featuring the Hogwarts School of Magic Crest and the Crests of the the four school houses - Hufflepuff, Slytherin, Ravenclaw and Gryffindor. Smilers are Britain's Personalised Stamps

In the cold state shows the name of the spells (as seen in the above image) and in the warm state it shows what the spells are used for is revealed (image seen below).


Cold state

Warm State




Spoiler Alert for the Spells

Reparo - Used to repair objects
Serpensortia - conjures Snakes from a wand
Evanesco - makes things disappear
Wingardium Leviosa - Levitates objects
Alohomora - Opens locked objects


To view other stamps in this category click on the following link - 
Stamps with Thermochromic Ink Printing
Personalised Stamps

Disclaimer - Information about the stamp issues on this page has been taken from the net and are for informational purposes only. No copyright claim is made for the above mentioned information/pictures.

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