Where in the UK can i buy a temporary Tattoo of the Dark Mark (in Harry Potter)?

Question

and i need it by next friday, so there's no time for shipping! =D

Answer 1

try this link they could have what you want

  http://www.costumecraze.com/HP29.html

Answer 2

you take a picture of the dark mark into a place where they do temporary ones, or even a real tattoo studio, as some of them do do temporary ones as well as real ones, and just ask if they could do it for you, you might find it easier than you think.