Martin's BlogIt’s not just MoneySaving (the rest of the site has that, it’s a place to muse on life, money, media, politics and more… Follow Martin: Related:Martin's BioAbout the siteTeam Blog Post Office Can you buy stamps now, then sell them for 30% profit?10 April 2012 Why stamps that say ‘1st’ stay valid in perpetuity (so hoard ’em)30 March 2012