I just remembered that I've seen similar safes disguised as British outlets too. A quick search reveals that they're still available:
http://www.thesafeshop.co.uk/products/double-plug-socket-safe.html

Looks like they've already latched on to the hollowed-out dictionary too! [Linked Image]
http://www.thesafeshop.co.uk/products/safe-book.html