*rubbing hands*"Uk only guys"*sigh*Good luck!
Nick, I'd be happy to forward it on to you if you want.
It might just be able to go as a large letter, in which case the cheapest sensible option is £3.80 (untracked, 5 days, pretty much uninsured) to Belgium.
I wouldn't wish to send it outside the UK, too much risk. The amount of stuff we send from work that goes abroad and vanishes....