Deadline is 31 January, although there will then be six-month grace period with such post still delivered
Royal Mail issues stamp change warning as deadline approaches
Royal Mail Bringing In Huge Change To Stamps Next To The, 41% OFF
Royal Mail extends deadline to use up stamps without barcodes
Royal Mail adds unique barcodes to stamps - Better Retailing
Royal Mail issues stamp warning with time running out before
Consumers told old Royal Mail stamps are fake in swap scheme
Royal Mail urges people to use or swap non-barcoded stamps
Royal Mail issues warning as it urges customers to use stamps
Royal Mail stamp deadline: Britons urged to use or swap out stamps
Use it, Swap it or Lose it. Everything you need to know about the
Royal Mail customers warned 'old style' stamps will become
Just TWO DAYS to use stamps without barcodes before they become
New Royal Mail Pay a Fee charges from the 30th O - UK