Just a short follow-up on last night's post:
More UK media on the stamps: a really good article on the Fantasy Stamps (with stories) in The Times:

“She is so scary,” says Gaiman, examining the stamp. “But, of course, mermaids were always terrifying. With the exception of the Little Mermaid of the Hans Christian Andersen tradition, they would take your soul. And fairies were never things that people embraced — they were unknowable, dangerous, capricious. They could cause real trouble