mine were scaled to the Ainsty police box, but pm me your email and I'll happily send you the ones i did....
actually, it's easier if I upload it to my website.... this sheet is for print quality, there are two sizes on there, the lower set worked better for the Ainsty box... may be ok, may need reducing a little...
http://homepage.ntlworld.com/roweller/drwho/TARDISPLATE.jpgit's a big file, but when printed looks great... I'll leave it up a while though....
EDIT: I am a traditional black plater though... none of this silver business.... no St Johns sticker though...