Latest release of British "interactive" stamps

Can anyone from the old dart assist me in how best to obtain a mint set of these stamps?

http://www.britishfirstdaycovers.com/

Cheers

More about the stamps themselves can be found here.

What exactly does a Nobel prize smell like?

Thanks for your assistance Pjen and everton :slight_smile:

No worries, mate. BTW, as a slight correction to the impression given by Reuters in your snip, we haven’t had to lick stamps for ages – at least not the everyday ones – they’re self adhesive. Don’t think that applies to specials and commemoratives tho’.

Eucalyptus, apparently.