Who can you spot in these great retro photos, some of which date back to 1999, showing life as a Royal Mail worker?
21. Sorting the letters
Staff at the Royal Mail sorting office in Sheffield get ready for the Christmas rush Photo: DEAN ATKINS
22. Postcode pigeon holes
Staff at the Royal Mail sorting office in Sheffield get ready for the Christmas rush Photo: DEAN ATKINS
23. Christmas cards galore
Staff at the Royal Mail sorting office in Sheffield get ready for the Christmas rush more than 15 years ago Photo: DEAN ATKINS