This post and site may contain Affiliate links.
EDIT: Someone just posted some of these on eBay here. We now know the item number. 5005233 – Lego, Brand New, Sealed, Royal Guard Polybag – 5005233 / item – 6217609 – Exclusive to Hamleys in Regent Street, London store Only
A reader also sent me a pic of one of these built – as well.
Just saw this over here on bricksfanz.com He also has a pic of the minifigure as well. Word on the street is that it will be under $10 bucks! It was posted by someone named Mark Campbell on Facebook, but he has since hidden his profile. You can see the link here in bricksfanz.com
Thanks for looking